LAKELAND, Fla. (AP) — A disgruntled Florida restaurant worker has been sentenced to seven years in prison for putting deadly plumber's lye into the Yum Yum sauce. The owner of a Hibachi Express franchise checked surveillance video after feeling his mouth burn when he tasted the sauce during a routine inspection. Lakeland police say the video showed 54-year-old Margarito Padilla accessing a container of poisonous drain cleaner and then going to where the Yum Yum sauce was kept.