Jean Carlos texted his brother on August 4th that he was crossing the borderat Sonoyta, Sonora. The brother was called by the guide on 8th or August 2013 saying that Jean Carlos had blistered feet. They were supposed to be crossing HWY 86 the next day, on August 9th the guide called the brother to tell him that Juan Carlos couldn't make it and was left around mile 20 of HWY 86, near Pisinimo and was said to have not walked more than 20 minutes north of HWY 86 (Information retrieved from NamUs.gov)