murdering four classmates. the crumbleys were arraigned by video conference saturday morning and charged with four counts of involuntary man sleighter. the couple entered not guilty pleas to all the charges. a judge imposed a combined $1 million bond for both of them and they'd have to post that full amount. an oakland county prosecutor adremsed the seriousness of the charges. >> your honor, this is a serious, horrible, terrible murder and shooting and it has affected the entire community and these two individuals could have stopped it and they had every reason to know he was dangerous and they gave him a weapon, and they didn't secure it, and they allowed him free access to it. >> i'm jennifer crumbley. >> reporter: attorneys representing the parents said the couple had the gun locked up and their son did not have free access to it.