Poltergeist The Legacy (1996)

Driving down a foggy, dark road Nick and Alex nearly run down Derek. They leave their car to find out what is going on only to have Derek pull a gun on them, argue with himself about shooting his friends and then pulls the trigger on himself. With Derek critical in the Rose County Hospital, the head of the London house, William Sloan, turns up to take charge. They continue with the investigation that Derek was involved in, in Rose County itself, trying to find out what is causing the large number of suicides that have been occuring around the town. With Derek in critical condition Alex, Nick and Sloan need to do this quickly, before Derek gets the chance to finish off what he started.