There is a Hawk P-61 Black Widow kit for sale on RC Groups classified section. I have no vested interest in the sale, it's been listed for a couple weeks with no action. Probably the wrong venue for it, I thought maybe someone over here may have interest in it. Here's the link
https://www.rcgroups.com/forums/showthread.php?3425651-3-small-planes-Great-family-project%21