It said he had just flown back from Colorado a day or 2 before his death. Maybe he smuggled some drugs back and forgot or still hadn't been able to "retrieve" them.
Don't you just hate it when you misplace your bag of drugs. It's always in the last place you look. "Okay, they're either in my friend's backpack or I shoved them up my rectum. Damn it, I knew I should have written this down. Oh well, I better get cracking if I want to dig 'em up."