Teenager charged with killing his sister, emotions run high - KWWL - Eastern Iowa Breaking News, Weather, Closings

Teenager charged with killing his sister, emotions run high

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It was an emotional day both inside and outside a Black Hawk County juvenile court room as a 14-year-old boy faced charges for shooting and killing his sister.

Diyrun Coffer faces involuntary manslaughter charges for shooting and killing his 15-year-old sister, Jykeria.

It happened Friday night at the siblings' home on Broadway Street in Waterloo.

Even Black Hawk County Sheriff Tony Thompson was on hand on the 4th floor as juvenile court proceedings began to help boost security.

Emotions ran high, with several young people overcome with grief and anger over the situation outside the courtroom.

Court documents show Diyrun Coffer was "twirling a stolen 9 mm, nickel-plated Smith and Wesson model 3-2 handgun around on his finger, then pointed it at the victim...pulled the trigger, shooting her in the chest and fatally wounding her."

Police say Coffer and two other 14-year-olds, Dajoniss Morman-Jenkins and Narkeest Ketchens, grabbed several guns from a home on Independence Avenue in Waterloo earlier and made off with them in a backpack.

Police say Coffer used one of the guns when shooting his sister.

The backpack was found empty.

The rest of the guns have still not been found.

"Let's face it. Somebody, somewhere in our community, has knowledge of where the guns likely are. It's important for us to get those weapons back, recover them, because we've already had one tragedy. We don't want to see those guns get into the hands of somebody else and compound this tragedy even worse," said Waterloo Police Chief Dan Trelka.

This incident comes after other recent shootings, gunfire and other violence in Waterloo.

That's one of the reasons Judge David Staudt ruled to keep all three of the 14-year-olds in secure detention.

During the proceedings, Coffer's aunt interrupted the judge as he was ruling and fell over onto the floor.

She was eventually escorted from the courtroom by other family members as well as sheriff's deputies.

She was not injured.

Coffer is due back in court in a couple of weeks.

The judge indicated he may be able to attend his Jykeria Coffer's funeral when it takes place but would have to be escorted by juvenile officers and wear shackles.

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