'' and `` baby killer , '' according to video posted on the Web site of CNN affiliate KSDK . Coleman told police he left the house at 5:43 a.m. the day of the deaths and drove to a gym to work out . Watch report of Coleman 's actions after deaths '' `` Shortly thereafter , he started calling his house , realized that nobody was answering and on his way back at around 6:50 a.m. is when he made the phone call to the Columbia Police Department , said Maj. Jeff Connor , commander of the Major Case Squad of Greater St. Louis . Coleman said he was calling the house to make sure the boys were waking up for school , Connor said . Threatening messages were found on the walls inside the home , Connor said , but would not disclose the exact wording . In an article posted on the Major Case Squad 's Web site , the St. Louis Post-Dispatch newspaper reported the message said something to the effect of , `` I told you this would happen . '' A glove with red spray paint on it was found along Interstate 255 ,
-LRB- CNN -RRB- -- A southwest Illinois man accused of strangling his wife and two young sons appeared in court Wednesday and pleaded not guilty to murder charges , officials said . Christopher Coleman sits in the back of a police car after his arrest Tuesday in the slayings of his wife and two sons . Christopher Coleman , 32 , will remain jailed without bond pending a June 10 preliminary hearing , according to the Monroe County , Illinois , district court clerk 's office . He is charged with three counts of first-degree murder in the deaths of Sheri Coleman , 31 , and sons Garett , 11 , and Gavin , 9 . Their bodies were found May 5 in the bedrooms of the Coleman 's two-story home in Columbia , Illinois , a suburb of St. Louis , Missouri . The three died of strangulation by ligature -- a string , cord or wire -- police said . Coleman was arrested Tuesday at his parents ' home in Chester , Illinois . As a police patrol car carrying Coleman arrived at the Monroe County courthouse for Wednesday 's hearing , a waiting crowd shouted `` murderer