HOUSTON, Texas (KTRK) -- A north Houston man with mild autism who was missing for more than a week is now safely back home with his family, all thanks to a METROLift driver. Joseph Ivory, 26, went missing on Friday, Jan. 15, after he was last seen leaving his north Houston home around 4 p.m., according to the Houston Police Department. Tanisha Cunningham, a METROLift contract operator, said she saw Ivory walking down the street near Cullen when she was passing through the area Sunday around 11 a.m. "I was just so happy to see him," Cunningham said in an interview with METRO. "And when I saw h...