By Mataeo Smith Two Denver-area paramedics were convicted Friday in the 2019 killing of Elijah McClain, who they injected with an overdose of the sedative ketamine after police put him in a neck hold. The case over the 23-year-old Black man’s death was the first among several recent criminal prosecutions against medical first responders to reach trial, potentially setting the bar for prosecutors in future cases. It also was the last of three trials against police and paramedics charged in the death of McClain, whose case received little attention until protests over the 2020 killing of George …