Observation for the ambush bug. I'll make another for the wasp that cut the head off and stole the bee body.
Female laying eggs on a windowsill. Follow up photos show the eggs on 5/28/19, then the hatching nymphs on 6/16/19 and still around the eggs the following day, 6/17/19.
ID confirmed on BugGuide here: https://bugguide.net/node/view/2069878.