marijuana. nbc 10 news starts now. right now at 11:00, a predator in the park. a 19-year-old woman was jogging when a man grabbed her from behind and sexually saltassault her. she is out of the hospital but the search for her attacker is present. and police were forced to close the park while they investigate. and we have new details on the investigation. reporter: park rangers were guarding the entrance and it closed at sunset. this was a surprise attack on this jogger and now police are looking to the public for help. in the hours before sunset, dozens of people tried to get no northtown farm park and were forced to turn back. all of the people are turning around. i heard something happened here. pank rangers shut the park down forn response to an attack to a teenage girl and the 19-year-old jogger was attacked from behind by a man with a gun and sexually assaulted today. i m shocked because this is so local. reporter: he wore a black mask and dark hoo