Mitchell is actually only 6'1.25 barefoot with a 6'10 wingspan. 247 said Solo has a reported 40 inch vertical and 6'10 wingspan while the UConn site said he has a 43 inch vert with 7'0 wingspan. I believe the 247 #'s.
Mitchell grew up in Elmsford, NY in Westchester County. He went to Greenwich Country Day in CT from 3rd grade until high school about 20 minutes away because his mom was an administrator there. I've followed him since he was a freshman in high school because he went to my high school for two years. Someone I know from the school posted video of him playing his freshman year and I said this kid will get recruited by UNC, UConn, Kentucky etc. He wanted to be a professional baseball player but broke his wrist at school and then quit baseball focusing everything on basketball.
Solo showed more bounce/explosiveness in high school but it was straight line drive kind of stuff. Mitchell was just different, dude was catching one handed tomahawk alley oops from half court in high school. He's right up there with Camby for me as the one who got away from UConn.