Unsolved: Profile of a killer?

3,754 views · Published 17 December 2018 · 4:32 · Indexed 6 November 2026

Channel: Milwaukee Journal Sentinel · 2018 · News & Politics

Watch on YouTube

Renowned profiler and crime scene analyst Richard Walter discusses the John Zera cold case and the behavior of suspect Daniel Acker, who inserted himself into the case from the start. Video by Bill Schulz.

More from this channel