Jackett was allowed to see his daughter only one afternoon a week. The Cape Cod Vampire, was dangerously mentally ill. Murderpedia reports that he was diagnosed with a "schizoid personality" shortly after his arrest. The one that went unsolved the longest was the murder of Centerville builder and . When detectives took him in for questioning, McCowen waived his right to a lawyer. Related: Weepy Voiced Killer: The Serial Murder Spree of Paul Michael Stephani. / CBS News. Christa Worthington murder: Christopher McCowan, man convicted of 2002 Joe Hill, son of prolific author Stephen King, has publicly stated he thought an extra in the film Jaws a woman wearing a blue bandana looked like the composite image of the victim created by forensic experts at the National Center for Missing and Exploited Children and the Smithsonian Institution, the website reported. Where are they now? This story previously aired on Sept. 20, 2007. During the winter of 2002, the quiet Cape Cod community of Truro was rocked, when a former New York City fashion writer was found murdered inside her home. 'I thought it was a dream': Cape Cod home leveled in massive explosion ", But Radlauer acknowledges Arnold may have had that idea. 29 Unsolved Murders That Will Send Shivers Down Your Spine - The Lineup But then, on April 7, investigators caught a stunning break, when the crime lab had a hit -- a match for DNA found outside and inside Christa's body. There were fibers, hairs and DNA that never made it to a lab, and a crime scene contaminated by careless EMTs. I thought she was a nice person. Sketches were made and remade as science improved. Jackett says he felt just disbelief and that the crime just seemed so senseless. In his letters, Costa protested his virtue and tried to convince the author that he was incapable of harming anyone. Honey the Bunny, beloved class pet, has gone missing- and you're the prime suspect! 13. A man is found dead on a beach, his identity unknown. Christopher McCowen had been Christa Worthington's garbage man. "Somebody killed Christa. I believed he was innocent and still believe he's innocent and will believe he's not guilty until the day I die," says his attorney. Murder Decoded: With Michael David Yuhl, Daniel Lukes, Albert L. Taylor, Bonnie Kourvelas. The district attorney believes McCowen was alone and didn't have a prior relationship with Christa. His reaction? State police create playing cards to help with unsolved murders, 4 Cape Every parent knows the anxiety of leaving your children in the care of someone you don't know well. This week, the FBI announced the Lady of the Dunes has a name: Ruth Marie Terry. The State Police Unresolved Cases Unit headed the project, according to a press release from the agency. The four of clubs card shows Dixon, who was found in Cotuit onSept.19, 1994, with a shotgun wound to the back of the head. "We're still taking DNA from people, dozens of people. Walsh and Monzon had been shot in the head, but Costa had then dismembered them and cut them up badly with a knife. "He deserves every bit of reasonable doubt if it's there," another said. First published on September 20, 2007 / 11:18 AM. In 2018, a campaign called Hope for Holly was launched to help generate tips for the investigation. "Let's hear about the consensual relationship. Uncovered: Cold Case Files for Murdered or Missing People I saw Christa two weeks before she was murdered, roughly. Of course I wanted a not guilty you know, my belief in McCowan's innocence is what drove me. For nearly 16 years, "48 Hours" has covered the aftermath of Christa Worthington's murder and Christopher McCowen's trial. But his enthusiasm for home-grown weed led to his downfall. The remains were later identified as Patricia Walsh (23), Mary Ann Wysocki (23), Susan Perry (17), and Sydney Monzon (18). Put all the puzzles together as you travel along with the characters, make decisions that affect the plot of the mystery game, complete the mini-games and puzzles, and find out how the next . Tony Jackett maintains a warm relationship with his daughter Ava, who now is in college and continues to thrive. Had they not, who knows what terrors she would have suffered at Costas hands. I don't want this anger in me. Firefighters responded to reports of smoke rising from a yogurt shop on West Anderson Lane. Hours later, before he was sentenced, he addressed the court for the first time. A powerful explosion and resulting fire reduced a Cape Cod home to rubble Thursday night and left debris scattered in nearby trees. She would be proved wrong. During his 30 years with the Cape and Islands District Attorney's office, O'Keefe has tried dozens of murder cases. Susan says Tony was home with her when Christa was killed. Brian Walshe case: Prosecutors lay out alleged motive In fact, he claimed that after "Carl" shot Wysocki and Walsh, he subdued his friend and then performed a mercy killing on Wysocki, who was still alive but suffering terribly. Couldn't believe they'd come up with a match.". I don't know what happened to her. Once inside, the responders found the brutalized bodies of four teenage girls-Amy Ayers, Jennifer Harbison, Sarah Harbison and Eliza Thomas. The only problem? "The blade went through the body and into the kitchen floor beneath her body," Williams tells Spencer. The so-called "Golden Age of Serial Murder" lasted from 1970 to 1999. SANDWICH, Mass. For five agonizing days, the jury, including two African Americans debated that very question. The front door was smashed - there were drag marks on the ground outside and several personal items scattered in the drive. As far as the DNA is concerned, the state's expert says it proves - beyond doubt - that McCowen had sex with Christa Worthington. During his trial, Costa's attorney attempted to use an insanity defense, claiming that Costa's heavy drug use was responsible for his violent behavior. She was dubbed the Lady of the Dunes and, as years turned to decades, she became Massachusetts oldest unidentified murder victim. She was born in 1936 in rural Marion County, Tennessee to Johnny Terry and Eva Lois Keener. The New York Post reports that Costa not only took heroic amounts of drugs, but he also sold them in town, offering a selection of uppers, downers, and hallucinogens. And next thing I know I'm calling him and talking to him about it," Williams recalls. According to media reports at the time, Muldavin, 37, was a sometimes actor and DJ in California, an antiques dealer in Seattle and a bunco artist and great lover everywhere he went. Again, when questioned, Costa told police that Perry had run away to Mexico. On July 26, 1974, Terry was found deceased in the dunes about a mile east of the Race Point Ranger station inside the Cape Cod National Seashore in Provincetown, MA. And for most Cape Codders, that's good enough," he says. In the three years police were searching for Christa Worthington's killer, an uneasy peace settled over Cape Cod, as the investigation dragged on. As the brutal cold case murder of Swedish au pair Karina Holmer stretches into its 25th year of remaining unsolved, Boston. Police bungled that investigation, he charges, from the moment they arrived at the crime scene. For starters, he claims, his client and Christa may have been involved. "I walked into the newsroom here in Cape Cod and we just had gotten word from police that there'd been a murder," remembers reporter Eric Williams. "It's been too many years and he's a nice man, you know, and people make mistakes, he's only human. No one has ever been charged in connection with any of the deaths. Four of the unsolved homicide cases featured in the deck are murders that happened on the Cape: one in Sandwich, one in Cotuit, and two in Mashpee. You know ultimately I ended up over her house having a cup of teaand one thing leads to another," Jackett remembers. If an internal link led you here, you may wish to change the link to point directly to the intended article. As reported by The New York Post, Costa was allegedly sexually assaulted by an older boy when he was just 12 years old. After the attack, Marchioni called 911 around 11:10 a.m. and said she had just been attacked inside her 14 Nelson St. home. Here is the crazy true story of the Cape Cod Vampire, Tony Costa. announced. Brian Walshe pleaded not guilty to charges including first-degree murder Thursday in the alleged killing of his wife, Ana Walshe. "So, O'Keefe continues, at around 1:30 a.m., McCowan drove to Christa's house in Truro, where he killed her," the DA argued. "The DNA and the statement together were the two major pillars of the case," he acknowledges. A grisly double homicide still haunts the small Cape Cod community of East Falmouth. Which makes Antone Charles Costa, usually known as Tony, ahead of his time: He killed at least two and probably eight women between 1966 and 1969. In May 1968, according to The New York Post, a woman named Sydney Monzon was seen getting into Costa's car shortly before she vanished.