A homicide defendant’s attorneys raised concerns before DC Superior Court Judge Rainey Brandt on May 1 about the prosecution’s usage of his prior statements and work as a violence interrupter. Cotey Wynn, 45, is charged with first-degree premeditated murder while armed, three counts of assault with intent to kill, and four counts of possession of a firearm during a crime of violence. The charges stem from his alleged involvement in a mass shoot…