A body discovered by law enforcement agents on Sunday in Wyoming is believed to be missing woman Gabby Petito, who disappeared while on a cross-country trek with her boyfriend, authorities said. The body was found in Grand Teton National Park in Wyoming after a two day search, the FBI said, noting that the cause of death is yet to be determined. “Earlier today, human remains were discovered consistent with Gabrielle Petito,” FBI Supervisory Special Agent said. “Full forensic identification has not been completed to confirm 100% that we found Gabby, but her family has been notified of this discovery.” Petito’s father, Jospeh Petito, shared a picture of his daughter with wings on Twitter shortly after the FBI’s latest update. “#GABBYPETITO she touched the world,” the post said. Petito and her 23-year-old boyfriend, Brian Laundrie, in July took a converted van from Long Island, New York, to travel across the country and …