Security robots expand across U.S., with few tangible results

When the Westland Real Estate Group bought Liberty Village, a sprawling 1,000-unit apartment complex on the northeastern edge of Las Vegas nearly two years ago, the police department identified it as one of the city’s most frequent sources of 911 calls.

“There was a little bit of everything,” said Dena Lerner, a spokeswoman for Westland. “A lot of gang activity that revolved around controlled substances, prostitution, dog rings. We had issues with gun rings, drive-by shootings, robberies, assaults — we’re talking everything.”

So earlier this year, Westland introduced a broader program to reduce crime and added an “autonomous security robot”

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