HOUSTON (AP) — Four people have been convicted in Houston of conspiring to defraud the Medicare program out of $5.2 million over a three-year period.

A Justice Department statement identified the four convicted Wednesday as Ezinne Ubani, 46, Caroline Njoku, 45, and Terrie Porter, 47 — all of Houston — and Mary Ellis, 55, of Missouri City.

The federal jury in Houston acquitted Estella Joseph, 62, of Houston, all after a 15-day trial before U.S. District Judge Nancy Atlas.

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