50 Years Behind Bars - Ian Brady ^ The documentary focuses on Ian Brady's (The Moors Murderer) half a century of incarceration.

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End Games of a Psychopath ^ Another documentary that is focused on Ian Brady when he was nearing the end of his life. It shows how, even when in his 70s, he remained as cold as he was from 50+ years in the past.

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Kemper on Kemper: Inside The Mind of a Serial Killer ^ The documentary focuses on Ed Kemper (The Co-Ed Killer). It was possibly the most informative documentary I have seen on Kemper.

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Born to Kill? Edmund Kemper ^ I found this documentary informative and it went in-depth to the background of Kemper.

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Born to Kill? The Hillside Stranglers ^ Personally I had never heard of Angelo Bouno or Kenneth Bianci before watching the documentary, but I feel fairly confident I learned a lot from that one documentary alone. More so about Bianchi than Bouno.

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Happy Face Killer: Keith Hunter Jesperson ^ Informative and in-depth. This was another case of watching the documentary blind, though I learned a lot.

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The Hunt for the Camden Ripper ^ The documentary is focused on Anthony Hardy, an English serial killer, who was known for dismembering some of his victims. It focuses on his crimes and his being brought to justice.

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They are a few documentaries I have seen. There are too many to list in honesty. They are ones I found to be informative, in-depth and they did not glorify the killer or his crimes.