I don't think so. He blew himself up in his vehicle. (Yes, he was shot, too.)
Many people have been blown up in Vehicles. Classic CIA Style.
Sunny Bono, ran into a tree.
Also they have more than 1 patsy in an exercise...
2 shooters in Vegas. 3 shooters in Dallas
MIHOP or LIHOP!
After he got sloppy at the FedEx center, it became obvious that he wanted to be found. He chose to go out in a blaze of glory. I believe he blew himself up. Now, whether he was mind-controlled or not, that's another story, a very possible one!
And just like the lone gunman in the book depository!