>[He did not depart on his own terms]

Remember, his op was fake.

Who knows what they really did.

Implement a method to kill remotely?

They decided when 'they' would remove him OR pressured him to end it himself.

Hence the fore knowledge of the event. (Intercepted comms)

I can't see a reason why Pariots would do this.

Death was his only escape. Why go outside of the law when you have the target dead to rights with mountains of evidence?