DAYTON, Ohio (WDTN) – Dayton Police have identified the man killed in an officer-involved shooting on Hoover Avenue.

Interim Police Chief Matt Carper said a call to Regional Dispatch at 6:48 a.m. reported a 21-year-old William Gardner was outside shooting a gun.

A second call at 6:50 a.m. reported a 49-year-old man had been shot in the leg while walking his dog. The man was brought to Miami Valley Hospital to be treated and has been released.

Police said that the shooter, Gardner, had shut himself inside his home nearby and refused to leave. SWAT and a Hostage Negotiation Team was called to the scene and began operations.

At 9:32 a.m., Gardner walked out of his house with a firearm and began moving towards the SWAT officers who opened fire. He was apprehended and sent to a local hospital where he later died of his injuries.

“Due to Gardner being armed, his previous violent actions against the community and quickly advancing toward SWAT officers, lethal force was used to stop the imminent threat,” Carper said.

Carper said Gardner didn’t have a criminal history, but there were concerns for his mental health over the past few months. Carper said Gardner’s family members have been interviewed five times since July concerning his mental health.

On August 29, family reported to police Gardner wanted to die and for officers to shoot him. He was taken to the hospital for a mental health evaluation. On November 26, another call from family reported Gardner may have been suicidal or homicidal.

Gardner received mental health treatment twice at a local hospital and once at a facility in Columbus. DPD’s Mobile Crisis Response Team followed up with Gardner several times.

Carper said this incident highlights the need to continue the conversation on mental health.

“The idea is to get resources, make them available, more available to the public, have more public awareness, so family members when they see, do see the red flags, when they do see issues with their family members, their loved ones, their neighbors or friends, then the help can be there at an early stage,” Carper said.

The Montgomery County Sheriff’s Office has been called to run a criminal investigation while the DPD Professional Standards Bureau runs its own investigation.

You can watch the press conference below. The video has been edited to removed video from the scene