Decarlos Brown Jr., accused of fatally stabbing Iryna Zarutska, has been deemed incompetent for state trial proceedings, with his defense citing 'mind control' claims. This development has stalled his state case, as a federal case now takes precedence to address questions surrounding his mental illness.

DeCarlos Brown Jr., accused of murdering Iryna Zarutska on a light rail train, has been declared mentally incapable of standing trial, with new details emerging about his condition.