Joseph and Summer , and their two children have n't been seen since 2010 . Anyone with information on the McStays is asked to call Crime Stoppers at ( 888 ) 580-8477 . The FBI is taking over the investigation from San Diego County authorities . The couple 's abandoned SUV was found near the Mexican border . A surveillance video shows what appears to be them crossing the border .
Joseph and Summer , and their two children have n't been seen since 2010 . The FBI is taking over the investigation from San Diego County authorities . The couple 's abandoned SUV was found near the Mexican border . A surveillance video shows what appears to be them crossing the border .