A missing Florida teen was brutally tortured and dismembered after she met up with a man more than twice her age for Valentine's Day. Miranda Corsette, 16, is said to have met 35-year-old Steven Gress on a dating app, and according to cops, the two got together to celebrate Valentine's Day on February 15. Gress picked Corsette up from her home and took her to his house, spending the day together before taking her back home that evening. But the next day, authorities say the teen returned to Gress' home on her own. By February 24, Corsette's grandmother - who took care of and homeschooled the teen after her parents died - reported her missing. 'We are very familiar with Miranda,' the acting police chief for the city said. They added that the teen is also the mother of an 11-month-old baby. 'She is a frequent runaway and she has a history of mental health issues as well as dr*g abuse,' she said. 'The grandmother is her primary caregiver at this time. She said she normally comes home, so ...