Gabby Petito investigation: 911 call reveals Brian Laundrie seen hitting, 'slapping' her before disappearance

The 911 caller who reported a "domestic dispute" between Brian Laundrie and Gabby Petito in Moab, Utah, on Aug. 12 was heard telling a dispatcher that "the gentleman was slapping the girl" and hitting her, Fox News has confirmed Monday after exclusively obtaining the audio of the call.