Serial killings

FILE - In this April 11, 2018, file photo, Snohomish County Cold Case Detective Jim Scharf, right, shares details of the unsolved case of the 1987 double homicide of Jay Cook and Tanya Van Cuylenborg, during a press conference in Everett, Wash. William Earl Talbott II charged in the slayings of the young Canadian couple is facing trial in Washington state this week. (Ian Terry/The Herald via AP, File)

Detroit Mayor Mike Duggan speaks during a press conference, Friday, June 7, 2019, at the Detroit Police Headquarters in Detroit, addressing the police response to a possible serial killer. Investigators believe a "serial murderer and rapist" targeting prostitutes is at large in Detroit. (Kimberly P. Mitchell/Detroit Free Press via AP)

FILE - In this Monday, Nov. 26, 2018 file photo, Samuel Little, who often went by the name Samuel McDowell, leaves the Ector County Courthouse after attending a pre-trial hearing in Odessa, Texas. A Texas prosecutor says investigators have linked more than 60 killings in at least 14 states to a 79-year-old inmate who may be the most prolific serial killer in U.S. history. Ector County District Attorney Bobby Bland said Friday, June 7, 2019, that Little continues to cooperate with investigators from around the country who interrogate him in prison about cold case killings dating back to the 1970s. Little, who is serving life sentences in California, claims to have killed at least 90 women. (Mark Rogers/Odessa American via AP, File)

Former nurse Niels Hoegel, right, accused of multiple murder and attempted murder of patients, arrives for a session of the district court in Oldenburg, Germany, Thursday, June 6, 2019. (Hauke-Christian Dittrich/dpa via AP)

Lisa Noland, who survived an attack at the hands of serial killer Bobby Joe Long, speaks to reporters after his execution May 23, 2019, in Starke, Fla. Bobby Joe Long, a serial killer who terrorized Florida with a 1984 spree that claimed the lives of 10 women was put to death Thursday, his execution witnessed by the woman who survived one of his attacks and aided in his capture.(AP Photo/Brendan Farrington)

This updated photo made available by the Florida Department of Law Enforcement shows Bobby Joe Long in custody. Long, is scheduled to be executed Thursday, May 23, 2019, for killing 10 women during eight months in 1984 that terrorized the Tampa Bay area. He was sentenced to 401 years in prison, 28 life sentences and one death sentence. His execution is for the murder of 22-year-old Michelle Simms. (Florida Department of Law Enforcement via AP)

In this updated photo made available by the Florida Department of Law Enforcement shows Bobby Joe Long in custody. Long, is scheduled to be executed Thursday, May 23, 2019, for killing 10 women during eight months in 1984 that terrorized the Tampa Bay area. He was sentenced to 401 years in prison, 28 life sentences and one death sentence. His execution is for the murder of 22-year-old Michelle Simms. (Florida Department of Law Enforcement via AP)

A diver walks out from a toxic man-made lake after a dive search for a third victim near the village of Mitsero outside of the capital Nicosia, Cyprus, Wednesday, May 8, 2019. Investigators hunting for bodies dumped by a suspected serial killer pulled a suitcase containing decomposing human remains from a toxic lake. (AP Photo/Petros Karadjias)

A diver walks out from a toxic man-made lake after his dive search for a third suitcase near the village of Mitsero outside of the capital Nicosia, Cyprus, Monday, May 6, 2019. Cyprus police spokesman Andreas Angelides said yesterday, investigators hunting for bodies dumped by a suspected serial killer pulled a suitcase containing decomposing human remains from a toxic lake. (AP Photo/Petros Karadjias)

An expert operates a sonar monitoring device from inside a dinghy on a man-made toxic lake in Mitsero, outside of capital Nicosia, Cyprus, Saturday, May 4, 2019. The sonar scan of the lake that's a part of a defunct mine aims to locate suitcases in which a self-confessed serial killer placed the bodies of a woman and a girl. The suspect, a 35 year-old Cypriot army captain, told police that he killed seven women and girls. Search crews had previously retrieved from the lake one suitcase containing the body of an adult woman. (AP Photo/Petros Karadjias)