Webb County Sheriff's Office via Associated Press The woman who escaped a Border Patrol agent and accused serial killer has spoken to police and relatives about how she survived the ordeal. Juan David Ortiz, a supervisory Border Patrol agent, was arrested in Texas on September 15 and quickly confessed to murdering four women and abducting a fifth, Erika Peña, since September 3. Peña said she knew Ortiz and agreed to accompany him to his home on September 14, but he grew angry after she mentioned her murdered friend, whom Ortiz would later confess to killing. The woman allegedly abducted by Juan David Ortiz, a Border Patrol agent and accused serial killer, has detailed to police and relatives how she made her daring escape and put authorities on her captor's trail. Erika Peña, 26, told relatives that she knew Ortiz for roughly four months, and that she agreed to accompany him to his house in Laredo, Texas, on September 14 after he offered her $500 for sex, Peña's aunt, Marcela Rodriguez, told the Corpus Christi Caller-Times.See the rest of the story at Business InsiderNOW WATCH: Medical breakthroughs we will see in the next 50 yearsSee Also:'They were loved': Relatives are mourning the loss of 4 Texas victims allegedly murdered by a Border Patrol agentPolice say the US Border Patrol agent who confessed to murdering 4 women and abducting a 5th shot all of his victims in the head'We do consider this to be a serial killer': A Border Patrol agent in Texas has confessed to murdering 4 women and abducting a 5th