A 1998 episode of ‘The New Detectives: Case Studies in Forensic Science’ which examines the case of the night stalker, a serial killer called Richard Ramirez who terrorised the citizens of Los Angeles and San Francisco in the 1980’s and looks at how forensic science helped to catch him. It was examination of his shoe prints which led to a major breakthrough in the efforts to apprehend the killer.
There are 14 known victims of Ramirez in a 15 month killing spree which spanned 1984 to 1985, he spent 23 years on death row before he died of natural causes in 2013. He was convicted of 13 murders, 5 attempted murders, 11 counts of sexual assault, and 14 counts of burglary. He was also the subject of the British documentary Born to Kill: Richard Ramirez.
There have been several books published about Richard Ramirez, but by far the best selling and best reviewed is The Night Stalker: The Life and Crimes of Richard Ramirez. The book was authored by Philip Carlo who spent years researching Ramirez and interviewing him. It is available in kindle, paperback, and hardcover.