Bicycle detail

A male person and one other person took our unlocked children's bike from our front door. At 2am on the clock I woke up to voices and car noises outside our first floor apartment in the road of our apartment complex. Our bedroom with a slightly opened window is next to the front door. I then heard a male voice say "Grab that bike" and a click of a kickstand. I realized it was a theft happening but did not get the door open in time to see anybody or a car. The bike was at our front door against the wall next to the stairs under a working porch light. I then noticed a larger bike left on the grass. So I also have a found bike. I