The couple who took in suspected Florida school shooter Nikolas Cruz after his mother died is speaking out for the first time – and they insist they had no idea he was capable of allegedly opening fire at a school.

James and Kimberly Snead said they knew Cruz had guns, but said they practiced gun safety and made him keep them locked up. James Snead told the Sun-Sentinel he believed he had the only key to the gun safe and said Cruz had to ask permission to take the guns out. He said he didn’t realize Cruz had his own key that allowed him to access the guns.

Read more at Time.