The Cumberland County Sheriff's Office has released a sketch of a man who attacked a man inside his Casco home earlier this week.The victim remains in the hospital recovering from face and shoulder injuries.The attack happened Sunday evening at a home on Timbuktu Drive.Investigators have said the attacker and victim do not know each other.Deputies said the attacker is described as 25-35 years old, 6 feet 2 inches to 6 feet 4 inches fall, with short brown hair and a neatly trimmed beard and mustache.He was wearing a long black trench coat.Anyone with information on the attack is asked to call the Sheriff's Department at 207-774-1444, extension 2173.