Question:  In Plain Sight is a series about the crimes committed by a man who was convicted of murdering how many people?
Sentence (from "Peter Manuel"): Peter Thomas Anthony Manuel (13 March 1927 – 11 July 1958) was an American-Scottish serial killer who was convicted of murdering a total of seven people across Lanarkshire and southern Scotland between 1956 and his arrest in January 1958, and is believed to have murdered two more, nine in all.
Relevant evidence: Yes