Police convinced Tahmoor residents keeping quiet over who killed pit bull owner Scott Hammond Bashing of a man in Tahmoor may be linked with previous trouble involving his vicious dogs POLICE are convinced people in the NSW town of Tahmoor know who killed pitbull owner Scott Hammond. His mother Josophine today begged for the community to help detectives catch her son's killer. "Someone knows who has done this," she said. We are devastated by his death. You don't expect to bury your children. Hammond, 48, was found bludgeoned to death in his Tahmoor home on July 1. The house where Scott Hammond (inset/Facebook) was found. Picture: Ian Svegovic An injured pitbull was also found in the loungeroom. Hammond had made enemies in the town south of Sydney after ordering his dogs to attack locals. Cops on hunt over 'revenge' murder He had numerous run-ins with police over drug-related incidents and for setting his aggressive pitbulls on people - including a teenage boy who was mauled in 2011. Danny Forrest was attacked by pit bulls in 2011. Local shop owner Danny Forrest also suffered a severe wound after being attacked by Mr Hammond's dogs. Mr Hammond last year pleaded guilty to three counts of causing his dog to inflict actual bodily harm and was handed a suspended jail sentence and ordered to pay a $15,000 fine after setting his pitbulls on several people in Tahmoor in 2011, leaving them with serious bite wounds. Police have not ruled out revenge as a motive for his brutal killing. Tahmoor's main street. THE family of murdered 40-year-old Scott Hammond will today join police in a renewed appeal for information following his mysterious death earlier this month. Police discovered Mr Hammond's battered body in the lounge room of his Tahmoor home on July 1 and police at the time said he was well known to authorities. "He came to police attention as both offender and victim," acting superintendent Danny Doherty said. This is a violent murder. We believe it was an attack by someone who knew (him). He was served with a suspended jail sentence last year after pleading guilty to setting his pit bull dogs on to a number of people, including a teenager, around south west Sydney. Those attacks provided police with a number of possible motives, but investigations have so far proved unfruitful. Mr Hammond will be buried today and his family are holding a joint media conference with acting superintendent Doherty and the local area commander of Camden police. Scott's mother and niece have flown from Queensland to attend today's service. This will be the only opportunity for media to speak with the Hammond family," a statement from NSW police reads. It is understood police believe Tahmoor residents may be covering up for Scott Hammond's killer.