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The 19-year-old Harrisburg man accused of gunning down Police Chief Thomas Carter's nephew was no stranger to police.

In fact, the arrest of Glenn G. Walker III Saturday morning in the March 26 homicide of John Thomas Carter, 36, represented the third time police had arrested him this year.

Mugshot of Glenn Walker III, provided by Harrisburg police.

Even before Walker was identified as the suspect in the killing of John Thomas Carter, police were outraged that Walker had been released on a reduced bail after allegedly shooting at another man outside a bar in December.

Police on Saturday charged Walker with criminal homicide, carrying a firearm without a license and criminal mischief in connection with the shooting death of John Thomas Carter, 36, near Green and Woodbine streets.

A press conference was set for 11 a.m. Saturday at the Dauphin County Courthouse.

Police first arrested Walker in January, weeks after they had been looking for him in connection with a shooting outside the Third Street Cafe in December. The incident was recorded on the bar's video surveillance system. No one was hit, but several vehicles were damaged. The city has been trying to close the bar for more than a year.

Magesterial District Justice George Zozos assigned Walker a $25,000 bond, well below a standing request by the district attorney and mayor for $100,000 bonds for all cases involving illegal guns.

PennLive wrote a story in January about how the bond assigned to Walker deviated from what Ed Marsico and Eric Papenfuse publicly requested during a 2014 press conference. Court officials were not available at the time to comment. But court officials have since said that judges have their own policies and procedures that they use to set bonds.

Police arrested Walker again Jan. 15, charging him with possession of narcotics with intent to sell four days after he was released from jail on the shooting. This time, Judge Barbara Pianka assigned him a $200,000 bond.

But less than a month later, retired Judge Joann L. Teyral, who was assigned to fill the vacancy created by Robert Jennings, reduced Walker's bond to $25,000. He posted his lower bond on the same day.

Walker's court date for the December shooting was set for March 25, the day before John Thomas Carter was killed.

After Walker's arrest Saturday, he was denied bond. His next court date was set for April 12.

Police also complained in February about low bonds after officers arrested the same drug dealing suspects within days of their release from jail.