What John Christofferson has said about Computer forensics

1 quote · 1 episode · May 14, 2026

John Christofferson, Lead investigator, then a Wisconsin Department of Justice special agent assisting the La Crosse County Sheriff's Department, has been quoted on Computer forensics once in 1 episode of 48 Hours, most recently on May 14, 2026. Each quote below is verbatim and links to the moment it was said.

In their words

  • Christofferson said a forensic computer expert found Merna's last keystroke was at 5:41 p.m. on May 21.

    “her last keystroke on that computer was at 5.41 p.m. on May 21st”

    48 Hours: Desperate Measures (May 14, 2026) · Listen from 12:02

Episodes

  • Desperate Measures

    48 Hours · May 14, 2026 · 41 min

    Peter Van Sant reports on the 2010 shooting deaths of Dennis and Merna Koula in Wisconsin and the circumstantial murder case against their son Eric.

John Christofferson on other topics