Robbie Coltrane's Critical Evidence Season 2 Episode 6 - The Saturday Night Strangler: Joe Kappen

Airdate: 2018-Feb-25

Episode summary:

Robbie Coltrane examines how DNA evidence ended a 30-year hunt for triple murderer and rapist in Wales.

About Robbie Coltrane's Critical Evidence series:

When there's a murder with no suspect, no leads and perhaps not even a body, that's when investigators face their toughest test. Evidence...Show more >