POLICE are still investigating the death of a Bacchus Marsh man whose body was found outside a house in Darley on June 7.
Homicide detectives believe the man, 35, was involved in an altercation with another man soon before his body was found in Jonathan Drive about 1am.
Detectives interviewed a Bacchus Marsh man, 20, who presented himself at Bacchus Marsh police station last Sunday-week.
Senior Constable Adam West said the man was released after questioning pending further inquiries.
Information to Crime Stoppers: 1800 333 000.