Yep. Note the US twin was literally whacked on the head, and that's probably why this MZA pair is so very unusual (and popularized, unlike other MZA reports lik

Yep. Note the US twin was literally whacked on the head, and that's probably why this MZA pair is so very unusual (and popularized, unlike other MZA reports like the authors' prior one, incidentally) and breaks away from the usual MZA correlation of ~.8.