A new CBS "48 Hours" special details the investigation that turned the apparent suicide of Maria Muñoz into the murder conviction of her husband Joel Pellot.
Prosecutors believed Maria Muñoz's death was suspicious, but they weren't sure if she had died by suicide, from an accidental overdose or if she had been murdered.
How a Texas mom became a witness in her own death investigation wsgw.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wsgw.com Daily Mail and Mail on Sunday newspapers.