Suzu, an employee of ridgeline credit union, deposits into her account checks entrusted to the credit union through its atm system by customers to deposit into their accounts. this is

The answer is embezzlement

Suzu has no right to deposits other's people money into her own account. By Doing this, Suzu has violated the trust that given by the credit union.

In United States' law, this type of behavior will be processed as a white collar crime and the punishment will be depended on the amount of money involved