The man suspected of killing 10 people at a King Soopers grocery store in Boulder, Colorado, on March 22 made his first court appearance on Thursday. Ahmad Al Aliwi Alissa, 21, is dealing with mental issues, defense lawyer Kathryn Herold told Boulder District Court Judge Thomas Mulvahill. “Our position is that we cannot do anything until we are able to fully assess Mr. Alissa’s mental illness,” she said. The nature of the illness wasn’t disclosed. Alissa waived his right to a preliminary hearing within 35 days to accommodate the time it will take the government to put together discovery, given that the probe is ongoing and the data “is going to be voluminous,” the lawyer added. Boulder County District Attorney Michael Dougherty said prosecutors didn’t object and that the crime scene has not yet been fully processed. Prosecutors plan to file additional charges in the next couple of weeks. Alissa …