Looking at his dead human body, the posse feel ashamed that they killed the only person who was NOT contaminated by virtue of not being involved in the lynching of Zaki the Thing. How could they have been so wrong?? They took his research, bound it and sent it in to the Nobel Prize selection committee. It was the least they could do.
Before leaving, Agent Lefanis made sure to grab his first Nobel and Penchants reaserch. No posthumous awards, he knew, and who'd be able to dispute his second brilliant discovery!