Charles Frederick Landeros, 30, was killed following a custodial dispute on January 11.
The four items inside the buckets are meant to reinforce the door in the event of an active shooter and block out smoke in case of a fire.
Sean Small was charged with intimidation and could face up to a year in prison if he is convicted.
President Donald Trump was in Texas Thursday to "listen" and "learn" from families of the victims of a recent school shooting in Santa Fe.
"There have been 22 school shootings in the U.S. since the beginning of this year. Why would anybody think it's a good idea?"
A teacher and a 13-year-old girl were shot Friday during a shooting at Noblesville West Middle School in Indiana.
Dimitrios Pagourtzis was arrested May 18 and charged with capital murder of multiple persons, according to the Galveston County Sheriff's Office.
"We make these sick people known worldwide for their horrifying acts, let's stop that!" Hogg wrote.
A school shooting in Texas left at least 10 people dead.
Santa Fe Police said officers are on the scene at the high school.
There are unconfirmed reports of at least one injured during the shooting in Palmdale, California.
Zachary Cruz accused of violating probation following previous arrest for trespassing at Marjory Stoneman Douglas High School.
Florida school shooting survivors note hypocrisy that guns are being banned to protect safety of Vice President.
Long is a school resource officer and is posted there full-time.
"Our faith tells us to do what we can."
The school district said a survey also found the public supported an initiative to arm select staff members with guns if it became legal in Pennsylvania.
The teen was expelled from his school in February for making similar remarks.
"I drew pictures like this. Any other person of this age drew drawings like this. It's nothing to get expelled from school for," the boy's father said.
Keller told a crowd of gun rights activists that the Marjory Stoneman Douglas High School survivors should be written off because they were "eating Doritos and playing video games" before the mass shooting.
One of nine children, Willey loved to play with her siblings and was a driven young woman, according to family and friends.