A teenage boy with terminal cancer got to live his dream of becoming a police detective. Sean Patrick Dixon was diagnosed with bone cancer two years ago. For his 16th birthday he got an invitation from the Suffolk County Police Department to be a detective for a day. During his day on the job Sean got to work with other detectives on homicides, emergency services, and the canine unit. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.