A brave clown who helped sick children with laughter therapy was shot dead trying to defend a woman and her baby when they were attacked by a robber in a restaurant. Humberto Rojas Landa, also known as Doctor Cosquillas, or 'Doctor Tickle', was gunned down in a busy restaurant in Puebla, Mexico. According to witnesses, an armed man broke into the restaurant in the Chulavista area of the city in ...