SUGAR LAND, Texas (KTRK) -- The Fort Bend County Sheriff's Office is investigating a shooting in the Greatwood Neighborhood near the Grand Parkway near Sugar Land.Investigators said 18-year-old Demonte Ziegler was killed and another 21-year-old hurt. The second victim was taken to the hospital by Life Flight.Sheriff Troy Nehls said there was a large party of up to 30 people at a home in the 7400 block of Stone Arbor Drive. He believes there was some sort of altercation there around 3 a.m. on Sunday and that's when the shooting occurred.After deputies arrived, many of the attendees fled. Nehls said about 12 people stayed behind and they are questioning them as witnesses."Several kids were running out of the residence, some of them were jumping into vehicles and leaving the scene," Nehls said.The sheriff said the homeowner and his family are out of town. He said the homeowner gave a key to someone to watch their dogs and then there was a party thrown at their house.The sheriff alerted the homeowner who is vacationing out of the country."Somewhat in shock. He didn't expect any of this. I mean if you were on vacation and you entrusted someone to watch your house. How would you feel if you received a phone call from me?," Nehls added."I'm just amazed at the audacity, that people can go into someone's home and carry on, like they apparently carried on," said family friend Bervis McBride.In 2015, Ziegler was arrested after bringing a gun on campus at Travis High School.Deputies have not made any arrests to Sunday's shooting.