Oxford High School shooting

Lake Orion High School students (left to right) Hadley Socha, 15, Lilla Bonner, 15 and Layla Thompson, 15, light candles during a vigil in Children's Park in Lake Orion. "School should be a safe place to learn, you shouldn’t be scared to go," Thompson said.

Gov. Gretchen Whitmer embraces Oakland County Executive Dave Coulter as the two leave flowers and pay their respects Thursday morning, Dec. 2, 2021 at Oxford High School in Oxford, Mich. A 15-year-old boy has been denied bail and moved to jail after being charged in the Michigan school shooting that killed four students and injured others.

Students stand in unity at a memorial at the entrance to Oxford High School on Thursday, Dec. 2, 2021. Four students were killed and seven others, including a teacher, were injured when sophomore Ethan Crumbley, 15, allegedly opened fire inside with a pistol in the school.

A parent hugs his daughter at a memorial at the entrance to Oxford High School on Thursday, Dec. 2, 2021. Four students were killed and seven others, including a teacher, were injured when sophomore Ethan Crumbley, 15, allegedly opened fire inside with a pistol in the school.

Signs are posted along Oxford Road near Oxford High School on Thursday, December 2, 2021 for the shooting victims at Oxford High School.

A Chaplin hugs a student at a memorial at the entrance to Oxford High School on Thursday, December 2, 2021as the students, parents, and the community mourn the students shot and killed on campus.

Family, friends, students and relatives of victims put up bouquets of flowers, candles and personalized messages at a memorial near an entrance to the Oxford High School on Thursday, Dec. 2, 2021 in Oxford, Mich. A 15-year-old boy has been denied bail and moved to jail after being charged in the Michigan school shooting that killed four students and injured others.

A Chaplin hugs students in prayer at a memorial at the entrance to Oxford High School on Thursday, December 2, 2021.

Blue and yellow ribbons are seen along Washington Street near Burdick Street in downtown Oxford on Thursday, December 2, 2021.

A sign in the window of a downtown business shows support for the students and staff killed and wounded in the November 30 shooting at Oxford High School on December 2, 2021 in Oxford, Michigan. Four students were killed and seven others injured when student Ethan Crumbley allegedly opened fire with a pistol in the school.

Pictures in the window of a downtown business honor students killed in the Nov. 30 shooting at Oxford High School on Dec. 2, 2021 in Oxford. Four students were killed and seven others including a teacher injured when student Ethan Crumbley allegedly opened fire with a handgun in the school.

A sign in downtown on Dec. 2, 2021 shows support for the students and staff killed and wounded in the Nov. 30 shooting at Oxford High School.

A sign in Centennial Park shows support for the students and staff killed and wounded in the November 30 shooting at Oxford High School on December 2, 2021 in Oxford, Michigan. Four students were killed and seven others injured when student Ethan Crumbley allegedly opened fire with a pistol in the school.

A flag flies at half mast in Centennial Park in honor of the students and staff killed and wounded in the November 30 shooting at Oxford High School on December 2, 2021 in Oxford, Michigan. Four students were killed and seven others injured when student Ethan Crumbley allegedly opened fire with a pistol in the school.

Students cry and console each other as they put flowers at a makeshift memorial at an Oxford High School sign outside the school on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

Authorities said (top, from left) Hana St. Juliana, 14, and Justin Shilling, 17, and (bottom, from left) Tate Myre, 16, and Madisyn Baldwin, 17, are the four students killed in a rampage by a fellow student at Oxford High School on Tuesday, Nov. 30, 2021.

Students cry and console each other as they put flowers at a makeshift memorial at an Oxford High School sign outside the school, on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

Students console each other as they put flowers at a makeshift memorial at an Oxford High School sign outside the school on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

Ethan Crumbley, 15, appears via video feed from Children's Village in Pontiac during his virtual arraignment on Wednesday, Dec. 1, 2021. He is charged with 24 felonies including four charges of first-degree murder in connection with the killing of four students and the wounding of seven others, including a teacher, in the mass shooting at Oxford High School on Tuesday. Children's Village is Oakland County's juvenile detention center. Later Wednesday, Crumbley, who is charged as an adult, was transferred to the Oakland County Jail.

District Court Judge Nancy Carniak speaks during a video arraignment of Ethan Crumbley at 52nd District Court in Rochester Hills on Wednesday, Dec. 1, 2021. Authorities say Crumbley, a 15-year-old sophomore, opened fire at Oxford High School on Tuesday, killing four students and wounding seven others, including a teacher.

Ethan Crumbley, 15, appears via video feed from Children's Village in Pontiac during his virtual arraignment on Wednesday, Dec. 1, 2021. He is charged with 24 felonies including four charges of first-degree murder in connection with the killing of four students and the wounding of seven others, including a teacher, in the mass shooting at Oxford High School on Tuesday. Children's Village is Oakland County's juvenile detention center. Later Wednesday, Crumbley, who is charged as an adult, was transferred to the Oakland County Jail.

People bring flowers to a makeshift memorial outside of Oxford High School on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

People bring flowers to a makeshift memorial outside of Oxford High School on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

Memorial items are shown on the sign of Oxford High School in Oxford on Wednesday, Dec. 1, 2021. Ethan Crumbley, a 15-year-old sophomore, is accused of opening fire at the school, killing four students and wounding seven others, including a teacher.

People bring flowers to a makeshift memorial outside of Oxford High School on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

Students stand at the sign of Oxford High School where memorial items are being placed on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

A well wisher leaves a stuffed animal at a memorial on the sign of Oxford High School on Wednesday, Dec. 1, 2021, a day after four students were killed and seven others, including a teacher, were wounded in a mass shooting.

National and local media crews interview Oakland County Sheriff Michael Bouchard in the Oxford High School parking lot on Wednesday, Dec. 1, 2021.

A national CBS News crew interviews Oakland County Sheriff Michael Bouchard in the Oxford High School Parking lot on Wednesday, Dec. 1, 2021, a day after a 15-year-old male student is accused of fatally shooting four students and wounding seven others, including a teacher.

Oakland County Prosecutor Karen McDonald held a press conference on Wednesday, Dec. 1, 2021, where she explained 24 felony charges in connection with the Oxford High School shooting that killed four students and wounded seven others, including a teacher.

Oxford High School student Deedee Hernandez, 15, and mother Meghan Hernandez during the candlelight vigil at Lake Point Community Church in Oxford on Tuesday, Nov. 30, 2021.

Aiden Watson, who was wounded in the mass shooting at Oxford High School on Tuesday, Nov. 30, 2021, attends a vigil with his parents at LakePoint Community Church in Oxford later that day.

Oxford High School seniors Zeiden Marshall, 17, gets a hug from Jace McCarthy, 18, as they arrive for a candlelight vigil at Lakepoint Community Church in Oxford on Tuesday, Nov. 30, 2021. McCarthy was at home sick with allergies. "It was terrifying to wake up and hear that your friends might just be gone."

Lakepoint Community Church member Kelley Crowell, who knows many families that have students in the high school, hugs a friend at a candlelight vigil at Lakepoint Community Church in Oxford on Tuesday, Nov. 30, 2021. "It is just a horrible tragedy," she said. "I don't understand it. I don't know what goes through people's minds."

Oxford High School students Max Myrand, 15, Ella Sharrow, 14 and Alex Mcarthur, 15 at the candlelight vigil at LakePoint Community Church in Oxford on Tuesday, Nov. 30, 2021.

Police, fire and EMS personnel respond at Oxford High School on Tuesday, Nov. 30, 2021, after reports of an active shooter.

Students and adults hug in the parking lot at the Meijer store in Oxford after a school shooting at Oxford High School on Tuesday, Nov. 30, 2021.

Ambulances on Ray Road near Oxford High School.

Emergency vehicles and personnel at the school on Nov. 30, 2021.

Unidentified parents look for teens at the Oxford Meijer store after the mass shooting at Oxford High School on Tuesday afternoon, Nov. 30, 2021 that killed four students and wounded seven others, including a teacher, inside the school.

Officers conduct a 'secondary' search in a parking lot at Oxford High School on Tuesday, Nov. 30, 2021.

Dozens of emergency personnel work on the east side of Oxford High School on Nov. 30, 2021.

Fire trucks block North Oxford Road near the high school Tuesday, Nov. 30, 2021.

Police officers secure the front of the Meijer store in Oxford where parents were instructed to pick up their children after a mass shooting at Oxford High School on Tuesday, Nov. 30, 2021.

Two unidentified people leave the Meijer store in Oxford where parents were instructed to pick up their children after a mass shooting at Oxford High School on Tuesday, Nov. 30, 2021.

Two unidentified people leave the Meijer store in Oxford where parents were instructed to pick up their children after the active shooter incident at Oxford High School, Tuesday afternoon, November 30, 2021.

Ambulances travel along Oxford Road to the east of Oxford High School.

Undersheriff Michael McCabe speaks to the media concerning the Oxford High School shooting on Tuesday, Nov. 30, 2021.

President Joe Biden speaks at Dakota County Technical College, in Rosemount, Minn., Tuesday, Nov. 30, 2021.