( CNN ) -- The man who shot officers inside a Detroit police station had a relative who is scheduled to be sentenced for double homicide Monday , said the city 's police chief , who would not confirm that as the motive behind the attack . `` We ca n't speculate as to motive , '' Chief Ralph Godbee said in a news conference Monday . `` There is nothing in this that makes sense at all . '' Lamar Deshea Moore , 38 , walked into a police precinct Sunday and `` indiscriminately began firing , '' Godbee said . He was shot and killed by return gunfire from police , according to the chief . Two of the four officers wounded in the shooting were hospitalized in stable condition Monday , Godbee said . Cmdr . Brian Davis is recovering from a gunshot wound to back , and Sgt . Brian Anderson was grazed in the head , he said . Sgt . Ray Saati also was grazed in the head . He and Sgt . Carrie Schultz have been treated and released from the hospital . Schultz was shot in the chest , but was protected by a bulletproof vest , according to police . The shooting has led to the reassessment of security measures by police officials . According to the chief , Mayor Dave Bing has committed to bringing in resources necessary to provide a safe environment , and interim measures will be put in place . `` We will do whatever is necessary to provide an environment for our officers that is safe , '' Godbee said , but he would n't specify any immediate changes . The chief said his office will be presenting the mayor with recommendations of security protocols that are `` reflective of the reality that we have to live with every day . '' Officers involved in the attack were praised for their bravery . `` Through it all , our officers maintained courageous calm , '' he said . `` They returned fire , they took cover , they did all the things we train them to do under pressure . '' Counseling will be provided for officers affected by the shootings , said the chief . Meanwhile , efforts to find a motive for the shooting continues . Godbee said the police plan to speak with members of Moore 's family and friends to see whether they can provide any helpful information .
Two of the wounded officers are in stable condition , police chief says . The shooter , Lamar Deshea Moore , was killed in the exchange of fire . Police Chief Ralph Godbee praises officers for their `` courageous calm ''