Kayleigh McEnany actually said...
If you look at the third paragraph of the email from Secretary Powell, former Secretary Powell to former Secretary Clinton. He says, as a warning, if you use a BlackBerry for government business, it might be common official record and thus subject to the law.
Context
Kayleigh McEnany highlights a warning from Colin Powell regarding the legal implications of using a BlackBerry for government business.
09/06/2016