Mizuhara allegedly had already obtained access to Ohtani's bank accounts and changed security credentials to give himself entry. The person on the tape tells the bank employee that he is Shohei Ohtani, then provides a phone number to the bank for authorization -- a number that prosecutors say belonged to Mizuhara.

Ippei Mizuhara, the former interpreter for Dodgers star Shohei Ohtani, is seeking leniency in his federal fraud case, court documents show.