Investigators into the 1981 murders of teenage siblings Karen and Gordon Alexander announced Oct. 19, 2023, that their father, Weldon Alexander, is the sole viable suspect in the crime.

In this episode, retired police Capt. Calvin Seward and forensic criminologist Dr. Todd Steffy give their most extensive interview since saying the case has been solved.

Mallory Wyatt lays out her theory of what happened to the Alexander children in the early morning hours of April 8, 1981.

Mallory Wyatt reports on the rumors and lies that affected the Alexander murders investigation, including the false confession of convicted murderer Henry Lee Lucas.

Anyone with information about the murders is urged to contact retired police detective Calvin Seward at 903-826-4702 or cldcse@swat.coop.

Mallory Wyatt continues her examination of the Alexander case, recounting the investigation in the wake of Karen's and Gordon's murders.

Anyone with information about the murders is urged to contact retired police detective Calvin Seward at 903-826-4702 or cldcse@swat.coop.

Texarkana Gazette reporter Mallory Wyatt tells the story of the shocking discovery of the attacks on Karen and Gordon Alexander and its immediate aftermath.

Anyone with information about the murders is urged to contact retired police detective Calvin Seward at 903-826-4702 or cldcse@swat.coop.

Texarkana Gazette reporter Mallory Wyatt looks at the legacy of the 1981 murders of teenage siblings Karen and Gordon Alexander in Texarkana, Arkansas.

Anyone with information about the murders is urged to contact retired police detective Calvin Seward at 903-826-4702 or cldcse@swat.coop.

Introducing True Crime Texarkana, the new Starbear Studio podcast that looks in depth at the Texarkana area's most infamous, baffling crimes.

Season One examines the unsolved 1981 murders of teenage siblings Karen and Gordon Alexander. Through multiple interviews and thorough reporting, the Texarkana Gazette's Mallory Wyatt tells the story of the horrifying crime and ongoing efforts to solve it.

Anyone with information about the murders is urged to contact retired police detective Calvin Seward at 903-826-4702 or cldcse@swat.coop.