Based on the social media posts as well as statements from her family, they traveled to Kansas, Colorado, Utah, and Wyoming before Petito was reported missing.As authorities investigated the disappearance, reports of altercations began to surface including one incident where police in Moab, Utah, responded to a report of a "domestic problem" between the pair.A police report states that a responding officer reported that the couple's van was traveling about 45 mph in a 15 mph zone and that it swerved and hit a curb as the officer turned on the police lights.Another officer wrote in the report that Petito allegedly had slapped Laundrie after an argument, at which point he tried to lock her out of the van but she forced her way back in.Officials have said that Laundrie died from a self-inflicted gunshot wound and left a note saying he was responsible for his fiancée's death."