What John Christofferson has said about Surveillance video evidence

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 Surveillance video evidence 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 Eric's absence from the Shopko surveillance footage opened a window in which he could have killed his parents.

    “it now opens up that period of his timeline where he has the opportunity to get to his parents' house and kill them”

    48 Hours: Desperate Measures (May 14, 2026) · Listen from 23:32

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.

Others on Surveillance video evidence

John Christofferson on other topics