Indianapolis breaks city record with 145 murders so far in 2016

The latest killing involved an unidentified 48-year-old man responding to a knock on the door at an east side home.

As soon as the man opened the door he was shot to death, according to police.

The record-setting homicide happened just hours after Indianapolis Police Chief Troy Riggs unexpectedly resigned after less than a year on the job.

Riggs, 50, said family financial concerns led him to decide to leave law enforcement. He did not say what he plans to do next.

The Indianapolis police chief earns $117,187.20 a year, more than twice Indiana's median household income.

The new murder record means Democratic Mayor Joe Hogsett so far has failed to deliver on last year's campaign promise to reduce crime in the state's most populous city.

But that isn't deterring the former Indiana secretary of state and U.S. attorney from continuing to push for criminal justice reforms.

Earlier this month, Hogsett announced an ambitious crime prevention plan for Indianapolis and Marion County that in addition to constructing a new 3,000-bed jail would provide extensive mental health and substance abuse prevention programs to repeat and drug-addicted criminals.

"In the grips of mental illness or addiction, a low-level, non-violent offender is processed again and again through the criminal justice system with a number of days in our local jail, almost each time without assessment or treatment for their underlying illness," Hogsett said.

"If we focus exclusively on facilities, and not on how the justice system is in many respects unjust, we can expect the same result — more crime, more tax dollars wasted."

Indianapolis' current murder rate of 17 per 100,000 residents still remains considerably lower than Chicago's to-date 2016 murder rate of 26.7 per 100,000 residents.