Three dimensional scans of crime scenes let LMPD 'go back in tim - WDRB 41 Louisville News

Three dimensional scans of crime scenes let LMPD 'go back in time'

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LOUISVILLE, Ky. (WDRB) -- Imagine having a photographic memory that worked in three-dimensions, except your memory is admissible in court. Louisville Metro Police have a new tool that boasts the ability to take scans of a crime scene so investigators can go back and look around when they need more details.

The Crime Scene Unit started using a Leica ScanStation C10 in January at all homicides and officer-involved shooting scenes.

“It's pretty neat what it can do,” said crime scene technician Chad Allgeier. Allgeier was one of several people who trained on the laser scanner in November.

Unlike laser scanners he's used in the past, it scans in three dimensions.

“It allows them to go back and maybe look at where evidence was placed,” said Allgeier. “Any specific cars that may have been in the area, the location or if anything stood out.”

The machine rotates slowly, emitting a green laser beam. It can take from six to 20 minutes to scan an area.

Allgeier can't show any examples of the crime scenes he's captured because none have been used in court yet, but he thinks the opportunities are limitless.

“We can pull up the scene and sit there and just spin around in a circle for them,” he said. “They could ask us questions ‘How far away is this from this?' We can pull that up live in court.”

The 3-D scanner comes with a steep price. Allgeier estimates the machine costs around $125,000.

“You can't put a price on justice,” he said. “If it can help get somebody put behind bars for something they did, absolutely it's worth it.”

It'll be a mainstay at some of grisliest crime scenes throughout Louisville until it's replaced by the next revolutionary piece of technology.

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