Did not think through what he was doing? Definitely. His whole life was that way and it's how he ended up living in a van.
Exactly who would concoct a plot involving a crazy person who's whole life has been screaming 'Look at me!'
Wouldn't a sleeper agent, you know, sleep and avoid attracting notice?
It's not like he could keep quiet about it for minutes or even seconds.
His role was to get caught and take the blame.
That is what a patsy is.