A college instructor suspected in the fatal shootings of a woman he lived with on Mississippi's Gulf Coast and a professor at Delta State University 300 miles away died Monday of an apparent self-inflicted gunshot wound after trying to flee police, authorities said.
Shannon Lamb had earlier told authorities that he was "not going to jail."
Police in Greenville, Miss., were following Lamb as he was driving when the suspect pulled over and jumped out of his car, Lynn Buford, chief of the Delta State University police, told the Associated Press. One of the victims was killed at the university Monday.
When police gave chase, they heard one gunshot and then found Lamb, Buford said. They took him to a hospital in Greenville where he was pronounced dead, Buford said.
Lamb's death brought to an end a chaotic day that saw terrified students and teachers hunkered down in classrooms for hours. The Delta State campus was put on lockdown as armed officers methodically went through buildings, checking in closets, behind doors and under tables and desks.
University President William LaForge told the AP late Monday that the lockdown had been lifted. He said there would be no classes Tuesday, but that students, faculty and staff are invited to campus to attend a vigil in the evening to honor the staff member who was killed.
"We're relieved that this tragedy is over," LaForge said.
Investigators said Lamb, 45, was a suspect in the slayings of 41-year-old Amy Prentiss, who was found dead in the home she shared with Lamb in Gautier; and 39-year-old Ethan Schmidt, a history professor who was killed in his office on campus in Cleveland.
Officers in the two cities said they had not uncovered a motive for either slaying.
Gautier Police Lt. Scott Wilson and another officer whose name was not given said during a news conference Monday in Gautier said they had spoken with Lamb.
In the news conference broadcast on WLOX-TV, the unidentified officer said anyone coming into contact with Lamb should use extreme caution because police had spoken to the suspect and "he's made the statement that he's not going to jail."
He would not say when or how police spoke to Lamb.
Lamb received a doctorate in education from Delta State University in the spring of 2015, according to his resume on the university's website. He started working there in 2009 and taught geography and education classes, and volunteered with Habitat for Humanity, according to the resume.
LaForge said Lamb was teaching two online classes this semester.
Mississippi Highway Patrol spokesman Johnny Poulos said investigators were searching for a black 2011 Dodge Avenger that they believe Lamb was driving.
The 3,500-student university in Cleveland is in Mississippi's flat, agricultural region near the Arkansas state line. It was first put on lockdown midmorning amid reports of an active shooter. Everyone on campus was told to take shelter, away from windows.
Charlie King was in a history class down the hall from where the shooting occurred.
"A few minutes into the class, we heard these popping noises and we all went completely silent," he said.
Some people thought that it might be a desk or door closing or firecrackers, but King said he thought it sounded like gunshots. A few minutes later a police officer, gun drawn, burst into the windowless room and ordered everyone to get against the wall away from the door. Some people also hid in a storage closet, King said. The officer didn't explain what was going on, but King said the students understood.
"We put two and two together," he said. The professor gave the students chairs to throw if the shooter came in, said King's friend Christopher Walker Todd.
Eventually police ushered the students into another building and questioned them about what they'd seen and how many shots they heard.
Freshman Noah Joyner, 18, was in his dorm building when reports of an active shooter began to spread. He hunkered down in a bathroom and heard others desperate to get in.
"There were like people banging on the doors to have somebody let them in," said Joyner, a swimmer at the college. "It was pretty terrifying."
Charly Abraham was teaching a class of about 28 students at the university's Delta Music Institute when he and the students received a message through the university's alert system.