The Department of Justice alleges several property management companies colluded to inflate rents using algorithmic software, harming millions of renters in Houston and across the country.

Federal prosecutors sued the real estate software company RealPage in August, now they're suing some of the company's biggest customers.

High rent prices in D.C. have long frustrated residents in the District. “When I was looking at prices, I said, ‘Can you write down the prices of the units we saw?’ And they said no because the prices change every day,