When DC relaunched its line of books with Infinite Frontier, the publisher addressed its convoluted history and gave its characters a new start. That included Black Adam, the merciless monarch of the fictional country of Kahndaq, who joined the Justice League to make amends for his past. However, he still still hasn't repented for his most shocking crime.
Source:https://www.cbr.com/dcs-black-adam-killed-his-nephew-and-hes-never-made-amends/