An 11-year-old Texas girl went missing on Thursday, and authorities are looking for her. They have detained a person of interest in the case.Authorities say that neighbors typically see Audrii Cunningham walking to her school bus stop around 7 a.m. on the morning of February 15, the last time she was seen in the vicinity of her father’s residence in Livingston, Texas. But Audrii didn’t board the school bus.