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  The book you are about to read is the latest bestseller from the St. Martin’s True Crime Library, the imprint The New York Times calls “the leader in true crime!” Each month we offer you a fascinating account of the latest, most sensational crime that has captured the national attention. St. Martin’s is the publisher of Tina Dirmann’s VANISHED AT SEA, the story of a former child actor who posed as a yacht buyer in order to lure an older couple out to sea, then robbed them and threw them overboard to their deaths. John Glatt’s riveting and horrifying SECRETS IN THE CELLAR shines a light on the man who shocked the world when it was revealed that he had kept his daughter locked in his hidden basement for 24 years. In the Edgar-nominated WRITTEN IN BLOOD, Diane Fanning looks at Michael Petersen, a Marine-turned-novelist found guilty of beating his wife to death and pushing her down the stairs of their home—only to reveal another similar death from his past. In the book you now hold, A POISONED PASSION, Diane Fanning brings you another true crime case, this one involving a veterinarian, her Air Force veteran husband, and a shocking case of murder.

  St. Martin’s True Crime Library gives you the stories behind the headlines. Our authors take you right to the scene of the crime and into the minds of the most notorious murderers to show you what really makes them tick. St. Martin’s True Crime Library paperbacks are better than the most terrifying thriller, because it’s all true! The next time you want a crackling good read, make sure it’s got the St. Martin’s True Crime Library logo on the spine—you’ll be up all night!

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  Other True Crime Accounts by

  DIANE FANNING

  The Pastor’s Wife

  Out There

  Under the Knife

  Baby Be Mine

  Gone Forever

  Through the Window

  Into the Water

  Written in Blood

  Available from the True Crime Library of

  St. Martin’s Paperbacks

  A POISONED

  PASSION

  A Young Mother, Her War Hero Husband,

  and the Marriage that Ended in Murder

  Diane Fanning

  St. Martin’s Paperbacks

  NOTE: If you purchased this book without a cover you should be aware that this book is stolen property. It was reported as “unsold and destroyed” to the publisher, and neither the author nor the publisher has received any payment for this “stripped book.”

  A POISONED PASSION

  Copyright © 2009 by Diane Fanning.

  All rights reserved.

  For information address St. Martin’s Press, 175 Fifth Avenue, New York,

  NY 10010.

  EAN: 978-0-312-94507-7

  Printed in the United States of America

  St. Martin’s Paperbacks edition / September 2009

  St. Martin’s Paperbacks are published by St. Martin’s Press, 175 Fifth

  Avenue, New York, NY 10010.

  10 9 8 7 6 5 4 3 2 1

  To Shane and Tristan—

  May you build the strength you need

  to face and conquer your past

  ACKNOWLEDGMENTS

  This book was possible because of the help and cooperation of many public employees across a broad swath of Texas. Thanks to Barbara McNichols at the Third Court of Appeals of Texas, Jason Clark, Texas Department of Criminal Justice, Loris Jones and Investigator Michael Miller at the Texas Board of Veterinary Medical Examiners and Linda Sherwood and Kaye Schulz at Texas Parks and Wildlife in Austin; the folks at Justice of the Peace Offices in San Angelo, including Tom Green County Judge Eddie Howard and Janet McEntyre in Precinct 4 and Judge Fred Buck in Precinct 3; Wendy Hind at the Tom Green County Sheriff’s Office; Lieutenant Curtis Milbourn and Carla Davis of the San Angelo Police Department; Leandra Turley, Tom Green County District Court Clerk’s Office and, last but definitely not least, someone many of you will recognize from Gone Forever, Texas Ranger Lieutenant Shawn Palmer.

  Other Texans providing invaluable assistance were Attorney Thomas Goff, Artist Jimmy Don Cox, Buda Howell, Donald Baker at Blaine’s Pub, retired Water Valley vocational agricultural teacher Charlie Fleming, Dr. Jay Jones, Dr. Larry Ellis, Realtor Joe Stephens, J.D. Gould, Frank Langley, Ruth Marshall, Jason Geron, Dr. Murl Bailey, veterinary medicine professor at Texas A&M, the best university in the state of Texas, and right here in New Braunfels, Dan Phillips of Mission Investigations, Michael Devers of Lone Star Music, and my very own veterinarian Dr. Michael Dougherty at Creekview Veterinary Clinic.

  For life in rural Maine, my thanks to Bruce Lindberg, headmaster of Lee Academy, and a special thanks to those people who now share a place in my heart: Shirley Harvey, Aunt Lenore, Brinda and Nicole Spinney and Les Severance—thank you for sharing your memories of Michael Severance.

  As with every true crime book I’ve written, there were a handful of folks who were willing to talk to me, but who didn’t want anyone else to know about it. To all of you, I kept my promise of your anonymity and take this opportunity to acknowledge your contribution to this book—thank you.

  As always, I appreciate my agent Jane Dystel for her faith in me, Charles Spicer for his support of my writing and Yaniv Soha for his brilliant editing. I can’t thank any of you enough.

  And thanks to my good friend Kathryn Casey, who was always willing to listen as I worried over problems and struggled for solutions; and to the wonderful man in my life, Wayne, who listens, reads, suggests, consoles and cheers from the sidelines.

  ONE

  On his long weekend off, in early March 2005, Game Warden Marshall Davidson drove four hundred miles from Zapata in south Texas up to the west Texas town of San Angelo to visit with his parents at the family home. It was a tumultuous time for the Davidson clan. Marshall’s brother-in-law Michael Severance had disappeared without a trace in January. Wendi, Marshall’s veterinarian sister, was running a new business and caring for her infant and 3-year-old sons with help from her parents. Marshall’s grandmother, Jessie Mae Eggemeyer, was suffering through the terminal stages of lung cancer. The family agonized as they watched her waste away and become progressively more uncommunicative.

  Marshall sat down to dinner with his mother and father, Judy and Lloyd Davidson and his 3-year-old nephew, Wendi’s son Tristan, on Saturday, March 5. They’d barely taken a bite when the telephone rang. Judy answered. When she returned to the dining table, Marshall saw distress wrinkling his mother’s face. “What’s wrong?” he asked.

  “I don’t know,” she said, shaking her head.

  “Who was on the phone?”

  “Wendi.”

  “What did she want?” Marshall prodded.

  “She said somebody’s chasing her and she’s going to keep driving and go to the cemetery.”

  “Well, who’s chasing her?”

  “She doesn’t know.”

  Marshall strapped on his pistol and drove a couple of miles, turning in at the sign that read “grape creek cemetery—Founded 1895.” He entered a gate surrounded by scrubby trees and tall weeds, and went up the narrow dirt lane into the small graveyard. It was a patchwork of old worn gravestones and newer flat plaques, amidst clumps of grass, dirt and rocks. The whole thing could have fit inside the twenty-yard line of a football field. The hum of the nearby highway traffic filled the air.

  He saw his sister’s 2001 red Chevrolet Camaro first, then he saw her standing by the grave of their grandfather. Wendi was obviously agitated as she paced over a tiny circular patch of ground like a high-strung race horse.

  He walked toward her, looking around for any sign of another person or vehicle, but none was in sight. “Who’s following you? What’s
up?”

  “No. Nobody’s following me. It’s just that, you know, I mean, I got something that I need to say, but I’m going to wait till Mom and Dad are here.”

  “No,” Marshall said, a bit irritated at being put off by Wendi after he’d raced over to come to her aid. “Something’s bothering you this much, so what is it?”

  “Look, nobody’s going to believe me . . .” Wendi began.

  Marshall shifted his weight from one foot to the other waiting for her to continue.

  “I didn’t kill Mike, but, you know, I did find him dead, and I moved his body to the tank.”

  “You did what?”

  “I took him to the tank at Terrell’s. I was just, like, freaking out.”

  “Why?” Marshall asked. “Why, why would you do something like that?”

  “I don’t know,” she wailed. “I just found him dead there, and, you know, it’s—One of the doors, normally you have to use a key—or, you know, it locks from the inside, so you use a key to get it—You know, check it to see if it’s unlocked anyways. I went in there, and all the doors were locked up and he was—you know, he was laying there in the bed, and, you know, dead or whatever. And I freaked out, and the first thing that came to my mind is, somebody I know had to do it, you know? How did they get in the clinic if they didn’t?”

  “The door was locked?”

  “I assumed it was,” Wendi answered.

  “Why?”

  “I didn’t really check. I just put my key in and turned it. They had to have a key. Maybe it was Nanny,” she said referring to their dying grandmother. “She had a key.”

  “Nanny? You think Nanny killed Mike?” Marshall thought of his dying grandmother and knew the suggestion was absurd.

  “I don’t know who did it, but I didn’t,” she snapped. “Nobody liked him, you know?”

  “That’s no reason to kill somebody.”

  “I didn’t kill him. They’re going to think I did. That’s why I moved the body.”

  Lloyd and Judy’s pick-up truck pulled into the cemetery with the Davidsons seated in the front seats and young Tristan in a child’s seat in the back. Wendi, sobbing, rushed over to them with Marshall on her heels. Both started telling the story at the same time. The 4-and-a-half-month-old infant in the Camaro chose that moment to wake up and add his cries to the cacophony.

  Marshall shouted to be heard over the din. “Wendi, you know, the best thing for you to do is just keep your mouth shut.” He stalked off and flipped open his cell. He dialed the San Angelo Police Department and asked for Detective Dennis McGuire. The investigator wasn’t in the office. Marshall said it was an emergency and left the number to his cell phone. They told him that they’d have McGuire return the call.

  When Marshall walked back to the Davidsons’ pick-up, Wendi was in the back seat of the truck next to Tristan, comforting the child. Judy was babbling, Wendi was crying. Marshall tried to settle everyone down, but failed. Three minutes after his first call, Marshall redialed the police department and was told that McGuire hadn’t answered his cell. “Give me his number,” Marshall demanded.

  “We’re not authorized to give his number.”

  Marshall identified himself as law enforcement and insisted, “Somebody better give me his number. I need him to meet me at Grape Creek Cemetery.”

  “Hold on. We’ll check.”

  Marshall gave them his mom’s cell phone number, too, and said he’d call back. He tried again to calm his hysterical mother. He gave up and called the police again. This time, he was told, “Okay. He authorized us to give his cell phone number, so here it is.”

  Marshall disconnected and dialed the number he’d been given. McGuire answered in the whiny, nasal voice that garnered a lot of good-natured teasing at the station house. “Hey, meet me out here at the Grape Creek Cemetery.”

  “I got your message and I’m on the way.”

  McGuire was close enough to the cemetery by then that Marshall was able to look up and spot him approaching on the highway. Sergeant Dave Jones, a special crimes investigator with the Texas Department of Public Safety rode with him. Officer Bill Mabe, who was on nearby Sutton Road securing the gate to Terrell Sheen’s 7777 Ranch, headed toward the cemetery, too.

  Marshall called Sheen and warned him to stay away from the ranch. McGuire exited Route 87 at March Road, heading for the graveyard in the fading sunshine of a dying late winter day. He was the first member of law enforcement to arrive on the scene. Although only in his forties, McGuire’s silver and blonde hair was already thinning in spots, and he carried a few extra pounds on his frame. His ruddy complexion gave him the look of excitability in contrast to his unflappable nature.

  McGuire spotted Marshall standing in the lane behind the super cab truck. Inside, McGuire saw Lloyd in the driver’s seat and Judy in the front passenger seat with her infant grandson Shane on her lap. Wendi was in the back with her other son, 3-year-old Tristan.

  McGuire and Jones stepped out of the car and approached Marshall. McGuire asked, “What do you need?”

  “Have you searched the pond on Mr. Sheen’s ranch?” Marshall said.

  “No, we have not,” McGuire admitted.

  “You need to,” Marshall said as Mabe’s vehicle pulled into the cemetery. Now in his fifties, Mabe had the rough looks of a dignified manual laborer who’d spent many years working hard, getting things done. He combed his dark hair straight back, drawing attention to his high forehead. As he listened, his bright blue eyes settled on Marshall explaining the situation: “Michael Severance’s body is in the pond. My sister said she didn’t kill him, but she moved his body to the pond.”

  “Are you talking about the pond on Terrell Sheen’s ranch?” Mabe asked.

  “Yes,” Marshall said, and walked up to the rear passenger door of the pick-up truck and opened it.

  McGuire followed him, standing back a couple of feet listening to the conversation and observing the distress emanating from the truck cab.

  In a raised emotional voice, Wendi said, “I didn’t kill him, but somebody did. I thought that one of you did it,” she said, referring to her family, “so I moved the body to protect you.”

  Lloyd sat in stunned silence. Judy babbled incoherently, near hysteria, denying that she’d killed anyone. Wendi repeated, “I did it to protect you. I did it for you.”

  Marshall interrupted them. “The police are here and they need to take Wendi into custody. Wendi, you need to get out of the pick-up truck now.”

  “No. No, don’t do it, Wendi,” Judy shouted. “Marshall, we’ll take her. They don’t have to take her.”

  “They need to take her,” Marshall insisted.

  “No, you’re not going to take her,” Judy said to her son.

  Marshall ignored her. “Wendi,” he said, “you just need to go.”

  Wendi paused, considering her mother’s objections, then stepped out into the grass and stood close to her brother. Marshall turned to the officers and said, “You need to arrest her. She found Michael Severance dead, and disposed of his body in the stock tank at Terrell Sheen’s Four Sevens Ranch.”

  “What are you?” Wendi asked. “A cop or my brother?”

  “I’m both,” Marshall said. He clenched his jaw tight. He knew he was doing the right thing. But he also knew he was disappointing his sister.

  Mabe took a step toward Wendi and said, “You need to come with us, Ms. Davidson. You are not in custody, but we need to ask you a few questions.”

  As Wendi turned to go with him, Marshall put a hand on her forearm. “Keep your mouth shut until you’ve been able to talk to an attorney.”

  As Mabe deposited Wendi in the back seat of McGuire’s car, McGuire asked Marshall if he could come into town to the police station on Beauregard Avenue. Marshall agreed to come in, but said, “I will not investigate my own sister. That is your job. I don’t want her talking to anybody until we get her a lawyer.”

  Marshall watched as the police vehicle pulled out of the cemet
ery toward the setting sun. He kept his eyes on the silhouette of his only sibling sitting in the back seat of a patrol car, on her way to an interrogation room to be questioned about her involvement in the murder of her own husband.

  Marshall’s heart sunk. His loyalties were divided. Now that the deed was done, sharp pangs of regret criss-crossed his heart.

  TWO

  Officer Mabe followed Wendi’s car as Marshall drove it over to the Davidsons’ spread. Marshall climbed into the police car and rode back to the cemetery to retrieve his vehicle before going to the police station.

  Texas Ranger Shawn Palmer pulled his pick-up truck into the parking lot at the San Angelo Police Department on Beauregard Avenue at 7:30. He lengthened his stature with the traditional Texas Rangers cowboy hat. His boots gave a longer stride and a cocky staccato to his walk. With his brush-cut reddish-blonde hair, ruddy complexion and strong jaw, he could have been typecast in the role of a lawman in a western movie.

  He went to an interview room and joined Detectives Dennis McGuire and Brian Elkins. They weren’t getting any answers from Wendi. Elkins left when Palmer entered the room.

  When Palmer asked the first question, Wendi smirked and said, “I want an attorney.” McGuire and Palmer left her alone in that interview room and went two doors down the hall to speak with her brother.

  Marshall Davidson reiterated the sequence of events that evening, telling the investigators that his sister had discovered her husband’s dead body in the veterinary clinic on Saturday, January 15, 2005. He said that Wendi insisted that she was not the murderer, but since she knew many of her family members hated Mike, she believed one of them had killed him.