>> randy p. jre, the investigation was heading from the loving morrissey family to the other family in this story. randy was 21 and into drugs with an arrest warrant for violating his probation on a burglary rap. >> did you go talk to him? >> we couldn't find him. >> but detectives could find his father, randy sr., at the townhouse. randy sr. said he hadn't talked to his son in a while. when police went looking for randy jr., an alert officer noticed something suspicious. >> k-9 sergeant sees stuck between the lid of the dumpster and the dumpster itself a zip tie. i drive down there. i immediately identify it as the same make, size as the ones used in the murder. that's a solid piece of evidence. >> that's your first break? >> yeah. >> randy sr. allowed police to search the business without a warrant. >> immediately see there is a bag of the same type of wire ties that were used to tie up joseph morrissey. they also sell knives at the business. there is an empty box that holds a 15 inch knife. when