Preview: Janet's Secret

She was murdered at 23. Five suspects and cops couldn’t arrest anyone. It was the perfect crime for 34 years – until now. "48 Hours" correspondent Peter Van Sant has the story Saturday, May 16 at 10 p.m. ET/PT on CBS. Subscribe to the “48 Hours" Channel HERE: http://bit.ly/1DvRWbT Watch Full Episodes Of "48 Hours" HERE: http://bit.ly/1fop6N1 Like "48 Hours" on Facebook HERE: http://on.fb.me/1KkQuRn Follow “48 Hours” on Instagram HERE: http://bit.ly/1OLG2B9 Listen to “48 Hours” Podcasts HERE: http://bit.ly/1h0fPUg