3VR Security, maker of video surveillance equipment with a built-in search engine and more detailed motion and facial recognition, has brought in $12 million in a fourth round of funding led by Menlo Ventures, according to PE Hub. Based in San Francisco, the company will continue to expand its client base, now numbering 600 across a wide array of sectors, and diversify its portfolio of surveillance products for different needs. One of the selling points of the technology: image recognition lets bank tellers figure out if the person approaching them is a known fraudulent check casher or not.

It has raised $42 million to date from backers DAG Ventures, Kleiner Perkins Caufield & Byers, In-Q-Tel and VantagePoint Venture Partners.

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