Its a movie about two groups of troubled teenagers trapped on a island with a killer. The killer is from special forces and also a father of a boy who killed himself because the other teenagers bullied him. So the killer is in search of a revenge and starts killing everyone. I dont remember too much about the movie except that the killer used dogs, traps and a ghillie suit. Im pretty sure it was brittish made movie.
“Wilderness” (2006)
https://www.imdb.com/title/tt0465670/
Quote from the movie’s IMDb page:
“The governor sends them to an uninhabited island to improve their relationships and characters under the command of tough monitor Jed. They meet a camp of female delinquents under the command of veteran soldier Louise and they camp in another area. However, when they are attacked by a pack of dogs and a mysterious man with a crossbow wearing camouflage, they join forces fighting to survive, under the leadership of Callum.”
Yes this is it. Thank you