> reporter: unbeknownst to the family, back in fairhaven, detective gordon was digging around for answers hoping to discover why conrad might have taken his own life. >> i just found it odd that an 18-year-old would do it in that manner. >> reporter: the detective figured there were clues on conrad's cellphone, which was found in his truck. and sure enough, when he powered it up, he discovered a string of text messages left on the phone from just one person. >> and that was a thread with michelle carter. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies."> > reporter: unbeknownst to the family, back in fairhaven, detective gordon was digging around for answers hoping to discover why conrad might have taken his own life. >> i just found it odd that an 18-year-old would do it in that manner. >> reporter: the detective figured there were clues on conrad's cellphone, which was found in his truck. and sure enough, when he powered it up, he discovered a string of text messages left on the phone from just one person. >> and that was a thread with michelle carter. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description"> > reporter: unbeknownst to the family, back in fairhaven, detective gordon was digging around for answers hoping to discover why conrad might have taken his own life. >> i just found it odd that an 18-year-old would do it in that manner. >> reporter: the detective figured there were clues on conrad's cellphone, which was found in his truck. and sure enough, when he powered it up, he discovered a string of text messages left on the phone from just one person. >> and that was a thread with michelle carter. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">