MSNBC Dateline June 4, 2024 05:46:00
You're fine, we could get that done. today >> you know, always. >> okay. >> any reason? >> i don't know the legalities. i don't want to do something that my attorney say i should him. >> why would you not give us a dna sample? >> he's your best friend, we're trying to figure it out. >> he's your best friend, we're trying to figure out everything that we can who brutally murdered your best friends and you're telling us that you're not sure you're gonna give us a dna sample? >> the refusal was in evidence of mark's guilt, so police let him go. but, the investigation suddenly shifted away from th...