The domestic violence allegations first surfaced when Depp and Heard were going through their messy divorce last year.
They also know more than children and, because their brains are fully developed, they are capable of greater self-control.
The Pirates of the Caribbean star is suing TMG for mismanaging his money.
In the recent court documents, Depp's former management team claim the allegations of abuse at the hands of the actor are accurate, according to the Hollywood Gossip.
The management firm submitted the emails Depp sent as part of a 109-page document fighting back against the star's attempts to keep his former agent and lawyer from being subpoenaed in the case.
TMG has been fighting the lawsuit, insisting that Depp's money problems are his own fault.
Peterson's indictment has unleashed a hailstorm of controversy about the appropriateness of hitting children as punishment for bad behavior.