Detectives: My Killer Case
John Sweeney: The Canal Killer
S1 E4:
In 2007 when Detective Chief Inspector Howard Groves took a phone call from the Dutch Cold Case Team in Rotterdam he began one of the UK's most complex murder investigations. Investigating two women's bodies found in canals in UK and Holland eleven years apart. Meanwhile the suspect was already in prison for the violent attack on another woman, and was due to be released.