The Monster Among Us l 20/20 l PART 4

‘Golden State Killer’ begins to target couples at their homes
Michelle McNamara and other “citizen sleuths” researched and discussed how to track down the “Golden State Killer.” Joseph DeAngelo started breaking in and attacking couples in their homes.

#ABCNews #ABC2020 #Documentary #GSK #GoldenStateKiller

Watch video on channel "ABC News"