DCI “Always” Working To Solve Cold Cases With DNA

By Mark Carlson, Iowa City Bureau Chief

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By Kayleigh Milas

ANKENY, Iowa - A string of recent arrests in Iowa cold cases is shining a light on advancements in DNA technology.

“We are always working cold cases,” said Bruce Reeve, DCI Laboratory Administrator. “Right now DNA is the area that’s advancing the most rapidly.”

Most recently investigators in Iowa City used DNA to allegedly link John Bloomfield to the 1997 murder of his wife. Bloomfield, 73, made his initial appearance in Johnson County court last week.

Reeve said the crime lab outside of Des Moines continues to make advancements in DNA technology. In the Bloomfield case, some of the DNA matching technology was sent to an outside lab, researchers said.

“We determine whether or not there might be another technique that can be used on the evidence,” Reeve said. “It isn’t uncommon for us to reference agencies out to an outside lab to do what we can’t do here.”

Paul Bush, a criminalist supervisor who oversees the DNA portion of the lab, says the lab is currently working on many cold cases.

“We are actively working on some cases that are 10, 20 and some I think even 30 years old,” Bush said. “We are going back and looking at DNA on some of those old cases.”

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