Dark Minds (2012)

Crime · Documentary

Dark Minds brings together the sharp criminal minds of author and investigative journalist M. William Phelps and pre-eminent criminal profiler John Kelly to reopen unsolved homicides thought to be the work of serial killers. They are assisted in their efforts by a source known only to viewers as "13," a convict serving multiple life terms for a series of murders, who presents his theories about potential motivations behind these chilling cold cases based on his own experiences. They bring fresh eyes to unsolved serial killer investigations using the combined instincts of three unique perspectives, with hopes that it will encourage viewers to bring forward new leads.

IMDb rating: 5.9 (214 votes)
Seasons: 3
Streaming (US): Amazon Prime Video · Discovery+ Amazon Channel · Investigation Discovery · Discovery +
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 3 seasons indexed

Cast

Seasons

Season 1 (2012)

5.78 avg 8 episodes 6.5 → 6.0 43 min avg

Rollercoaster

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Valley Killer	6.5	11
2	The Eastbound Strangler	5.4	5
3	The Babysitter Killer	4.7	7
4	The Woodsman	6.3	7
5	Double Initial Murders	6.0	5
6	Brutal Bayou	6.7	6
7	Mississippi Five	4.6	5
8	Dance with the Devil	6.0	5

Season 2 (2013)

6.04 avg 8 episodes 6.9 → 6.4 43 min avg

U-shaped

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Night Stalker	6.9	8
2	Blonde, Blue-Eyed, and Gone	5.8	6
3	The Coastal Killer	5.9	7
4	The Texas Killing Field	5.6	7
5	The I-70 Killer	6.2	9
6	The Mall Killings	5.6	5
7	The Colonial Parkway Murders	5.9	9
8	The Highway of Tears	6.4	9

Season 3 (2014)

5.86 avg 5 episodes 5.9 → 5.6 45 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	The Original Night Stalker	5.9	10
2	The Secrets of Israel Keyes	5.6	14
3	The Phantom of Civil Theater	6.0	6
5	Long Island Serial Killer	6.2	6
6	Aurora Murders	5.6	5