Lawyer tells CNN: Nidal Hasan wrote ISIS asking to be 'citizen of the caliphate'

#CNN Ft Hood Shooter, Nadal Hasan, wrote letter to ISIS leader asking to become “citizen” of caliphate w/i last few weeks, lawyer tells me.

— AnneClaire Stapleton (@AnneClaireCNN) August 29, 2014

@AnneClaireCNN @CNN we need to take away this guys US citizenship, Take away Boston Bombers citizenship,

— Nextime (@yourcluelessnow) August 29, 2014

Can we please expedite the execution of Nadal Hasan? http://t.co/Ou6JeBbTpl

— Rastakhiz (@sedaye_iran) August 29, 2014

https://twitter.com/jessicarights/status/505177351718961152

#WeDontHaveAStrategyYet for #workplaceviolence "@sedaye_iran: Can we please expedite the execution of Nadal Hasan? http://t.co/tOyp8ylftA"

— BarbaraMcMahon((?)) (@southsalem) August 29, 2014

@AnneClaireCNN Why is Hasan allowed to communicate with outside ppl????

— ? Rick ? (@N0FQY) August 29, 2014

Especially known terrorists.