Officers responded to the incident Tuesday afternoon where attempts were made to revive Anthony Andrews.
The man's cause of death won't be known until toxicology reports return.
Police are seeking tips from the public in the investigation.
Bunker Hill has been without a police force since December when the former marshal and his four deputies resigned.
Elkhart police will continue using dashboard-mounted cameras in patrol cars.
Indianapolis' mayor is proposing a slate of criminal-justice changes aimed at steering mentally ill and drug-addicted suspects into treatment instead of jail.
Police say the PVC pipe didn't contain any propellant.
Indiana University police say a report of a man with a gun that turned out to be unfounded prompted an emergency notification to campus.
Police say the 25-year-old man could be connected to tainted heroin coming to Bartholomew County from Indianapolis and Cincinnati.
Police say a man with a knife was shot and killed in Fort Wayne, in the second fatal shooting by police in two days in Indiana's second-largest city.