Papi was worried that the spooks were going to kill him when they attempted to plant 10k in cash on him in Israel and nail him upon re-entry into the US. Well, Papi played it safe, got rid of the 10k and left the spooks empty handed when he arrived home.
...I think the Deep State now wishes they had simply used Plan A, rubbing him out.
What good would doing away with Popi have done? His only use was as a setup toy to be squeezed. He didn’t know what he was doing, or what he was being used for until much later.