Biden's German Shepherd is said to have bitten Secret Service employees several times. The attacks are so frequent that the Secret Service has revised its protection protocols.

"Commander" came to the Biden family as a puppy in December 2021. Since the beginning, he has exhibited “extremely aggressive behavior,” according to another email from the White House. The Bidens are “heartbroken” about the attacks, according to a source in theWhite House.. A spokeswoman confirmed that the dog has not lived in the White. House since last fall.