A customer at Ranchito Taqueria shot and killed a man who robbed the restaurant in southwest Houston late Thursday night, according to the Houston Police Department. It happened just before 11:30 p.m. Thursday at the restaurant on S. Gessner near Bellaire Boulevard. Houston police said the armed man in a mask came inside the restaurant, demanding money and wallets from customers. However, as he was leaving, one of those customers shot the suspect. The incident was caught on surveillance video. Houston police also released surveillance photos of the customer who shot the robber in the video. Investigators said he is...