March 9, 2011
Professor David Harris told the Pittsburgh Post-Gazette that camera systems installed in police cars can have a strong effect in law enforcement, particularly when positioned to collect evidence. For example, officers often position DWI suspects in front of the cameras during sobriety tests. The resulting recordings can be powerfully persuasive. "There's nothing like the evidence being on film like that. All the prosecution has to do is turn on the tape and it's over."