As of Saturday, March 8, 62-year-old Thomas Popp was booked into the Woodbury County Jail on a $3 million bond for the murder of 18-year-old Terri McCauley more than 40 years ago.

Online court documents show on Wednesday, March 12, Thomas Popp was charged with the first-degree murder of Terri McCauley. Popp allegedly killed McCauley in 1983. Thomas Popp (Woodbury County Jail) ...

A roadside shrine to homicide victim Terri McCauley is shown Monday, Jan. 13, 2025, along 33rd Street west of Trinity Heights in Sioux City. McCauley's body was found near the site on Sept. 27 ...

Thomas Duane Popp was arrested Saturday and charged with first-degree murder for the death of 18-year-old Terri McCauley. The arrest comes more than 40 years after McCauley went missing in 1983.

On October 5th of 1983, McCauley’s body was found near 33rd Street off of Floyd Boulevard. The gravel road where her body was found no longer exists in Sioux City, it has since been paved over.

Josh Taylor, nephew of murder victim Terri McCauley speaks during a press conference Monday, Jan. 13, 2025, at the Great Plains Action Society's office in Sioux City.

Thomas Duane Popp was arrested Saturday and charged with first-degree murder for the death of 18-year-old Terri McCauley. The arrest comes more than 40 years after McCauley went missing in 1983.

Josh Taylor, nephew of murder victim Terri McCauley speaks during a press conference Monday, Jan. 13, 2025, at the Great Plains Action Society's office in Sioux City.

Thomas Duane Popp was arrested Saturday and charged with first-degree murder for the death of 18-year-old Terri McCauley. The arrest comes more than 40 years after McCauley went missing in 1983.