( CNN ) -- Authorities have charged an Owosso , Michigan , man with two counts of first-degree premeditated murder in the Friday shooting deaths of an anti-abortion activist and another man , a prosecutor 's office said . Activist Jim Pouillon was shot and killed Friday while protesting outside Owosso High School . Authorities say the suspect , Harlan James Drake , was offended by anti-abortion material that the activist had displayed across from the school all week . Drake , 33 , is accused of shooting anti-abortion activist Jim Pouillon , 63 , and Michael Fuoss , 61 , who were killed in separate locations Friday morning , the prosecutor 's office in Shiawassee County said . Authorities also have charged Drake with a felony firearm count and carrying a dangerous weapon with unlawful intent , the prosecutor 's office said . Drake also is suspected of `` attempting to locate a third victim without success , '' the office said . He was arraigned Friday and is being held without bail , the office said . It was not immediately known whether he had an attorney . Pouillon , whose anti-abortion activity was well-known in the area , was protesting across the street from Owosso High School about 7:20 a.m. Friday when he was killed by several shots fired from a passing vehicle , Owosso Police Chief Michael Compeau said . Watch Compeau talk about the incident » . Several people witnessed the shooting , and one was able to provide a license number , he said . About an hour later , Owosso police officers found the suspect , Compeau said . `` At the time of his arrest , the suspect made statements that he was involved in another homicide in Shiawassee County the same day , '' he said . Sheriff George Braidwood said a call had come to a 911 dispatch center about 8:17 a.m. saying that an employee at Fuoss Gravel , outside Owosso , had discovered the owner , Michael Fuoss , dead . He had been shot several times , Braidwood said . Authorities believe that Fuoss and the suspect knew each other , Braidwood said . According to Sara Edwards of the county prosecutor 's office , authorities do not believe that Drake knew Pouillon . Operation Save America , the anti-abortion group of which Pouillon was a member , said in a written statement that he was `` well known for his love of Christ and unborn children . '' The Owosso school district went into immediate lockdown after the shooting outside of the high school and remained so until the suspect was in custody , Compeau said . The high school 's administration offered parents the option of picking up their children , he said . All after-school activities were canceled , he added . Owosso , a town of about 15,000 people , is about 25 miles west of Flint , Michigan . CNN 's Eden Pontz , Laura Dolan and Jean Shin contributed to this report .
2008 : Harlan James Smith , 33 , arraigned in court . Anti - abortion activist was killed outside Owosso high school . Suspect says he was ` ` " in another homicide , '' sheriff says . Business ##man found dead at gravel pit outside town .