Howard said: Hey, sit down and sat him down on the edge of his mother's bed. Here, take a couple of puffs on this. It'll let you catch your breath. It's your mom's. Danny was reeling. Howard gave him more and more...he finally OD'd and Howard laid him down by Anna. The inhaler?? Who knows!
But think about it. He doesn't want his DNA out there because there are fingerprints somewhere to both deadly scenarios.
Wait, I lost you. What do his fingerprints have to do with his DNA?