Updated at 11:27 a.m. with additional details from police.
Southlake police are searching for a person who tagged Carroll High School and Durham Intermediate School with spray paint, the department said in a news release Friday.
It happened between 2 a.m. and 5 a.m. Friday morning.
The department is asking for the public's help to help identify the suspects.
Police believe the suspect is between 5-foot-9 and 5-foot-11. The person was wearing a light gray Columbia hooded jacket with black gloves, black jogger pants and black tennis shoes that had a black sole.
This is the second time since the start of this school year that an unknown person tagged school buildings with spray paint, police said.
This crime is a state jail felony due to the extent of the graffiti, police said.
Anyone with information or anyone who recognizes the person's stature or attire is asked to call 817-748-8915 or email firstname.lastname@example.org.