Amid FBI and state investigations into reports about several mysterious nighttime drone flights across central and northern New Jersey, sightings are now being reported in South Jersey.

The drone mystery in New Jersey is getting even bigger. We've been tracking drone sightings across the state for weeks, but now we're learning there's been even more in South Jersey. CBS News New York's Nick Caloway reports we still don't know where they're coming from.

New Jersey residents have spotted unidentified aircraft in the northern part of the state, including Morris County and near Newark — and now the authorities are urging people to remain calm. The FBI’s Newark office,