we show how this investigation has torn apart several families tonight. >> reporter: outside tyler drawly'sng man greeted us with sign language we can't show you on tv. on tuesday, u.s. marshals went to this home and arrested drawly in connection with deanna scord o's murder at a farm in june. they took a 17-year-old from new castle, delaware into custody. for weeks, the officers worked to get the family justice, even offering a $5,000 reward and the community flooded their phone lines with tips. >> what were they wearing? >> black hoods. >> both in black hoodies? >> reporter: her father called 911 for help moments after finding his 45-year-old daughter dead inside their farmhouse. >> slow down. you said you were sleeping and you were woken up to two gunshots? >> yeah, and my daughter's laying on the floor in the house. >> reporter: is she shot? >> yes. >> reporter: investigators say drawly and the teen shot her during a burglary. despite the arrests, the family was still too distraught to talk. drawly seen here was a standout funeral football player in high school. he went on to play lineb