It was a bittersweet moment when representatives of the TV show “Military Makeover" surprised Parkland, Florida, shooting widow Debbi Hixon to let her know they were going to renovate her entire home

Today marks two years since 17 people were killed at Marjory Stoneman Douglas High School in Parkland, Florida.

Seventeen students and staff were killed in the Feb. 2018 Stoneman Douglas massacre.

The ABC Documentaries film shows how families affected by the 2018 shooting that killed 17 people at Marjory Stoneman Douglas High School coped in the aftermath and began working to end gun violence.

The documentary "After Parkland" chronicles families' lives in the aftermath of the Marjory Stoneman Douglas High School shooting.

Family members are pushing for a new law requiring silent alarms in all New York state public schools in honor of one of the victims of the Parkland shooting.

A lawyer says the trauma of witnessing the 2018 massacre at a Florida high school is too much for a young student to give a statement and possibly testify at trial

Federal suit contends he was deprived of due process.

Some messages were sent on Instagram from the username "the.douglas.shooter."

A security guard has testified that Nikolas Cruz was such a threat when he attended Marjory Stoneman Douglas High School that he was searched for weapons every morning

The office's new leader said it's wrong to punish the office for the "previous administration’s mishandling."

Deputy Josh Stambaugh drove away as shots rang out at Marjory Stoneman Douglas High School, and Deputy Edward Eason also left, authorities said.

Anthony Borges, who was seriously injured in the 2017 mass shooting, played with professional players after a miraculous recovery.

Kyle Kashuv, 18, disclosed the news on Twitter, claiming Harvard had rescinded its offer after screenshots surfaced of him using racial slurs at the age of 16.

Kyle Kashuv, 18, disclosed the news on Twitter, claiming Harvard had rescinded its offer after screenshots surfaced of him using racial slurs at the age of 16.

Scot Peterson has been hit with charge regarding his inaction at Marjory Stoneman Douglas High School in Parkland, Fla., last Feb. 14.

An investigation determined that Scot Peterson failed to confront the gunman.

An investigation determined that former deputy Scot Peterson failed to confront the gunman.

The parents of a student and a staff member who died in the shooting call Scot Peterson a "coward."

Scot Peterson, who was on duty at Marjory Stoneman Douglas High School, faces charges of child neglect, culpable negligence and perjury.

Scot Peterson, 56, was terminated and charged with multiple counts of child neglect after an internal investigation found he retreated while students were under attack.

Scot Peterson, 56, was terminated from his job at the sheriff's office.

The Florida deputy who knew a gunman was loose at the Parkland high school but refused to go inside to confront the assailant has been arrested on 11 criminal charges related to his inaction

Deputy Scot Peterson was arrested on seven counts of neglect of a child, three counts of culpable negligence and one count of perjury, according to a news release from officials.

'We fight! We fight! We fight!': NBA star says at school commencement.

Retired Miami Heat star Dwyane Wade surprised graduates at Marjory Stoneman Douglas High School in Parkland, Florida.

Retired Miami Heat star Dwyane Wade surprised graduates at Marjory Stoneman Douglas High School in Parkland, Florida.

Prosecutors seek Nikolas Cruz's records from a psychologist, orthopedic clinic.

The therapy dogs received a page in the Marjory Stoneman Douglas High School yearbook after helping students heal from the tragedy.

Temple built as a memorial is to be burned to the ground as a symbol of healing.

Florida's 2019 principal of the year is taking over at the high school where 17 people were fatally shot last year

They were given to band students throughout Florida in honor of Parkland teen.

More Florida teachers could carry guns in school under a bill passed Wednesday.

The counselors treated Cruz before the 2018 mass shooting he is accused of.

Families whose loved ones perished in last year's Florida high school massacre told a state commission they waited hours, often alone in a room, before being told of the death

Three apparent suicides struck mass shooting towns in just 10 days.

The Marjory Stoneman Douglas High School student was found dead Saturday night, according to the Coral Springs Police Department.

Nickolas Cruz is charged with killing 17 at a Florida high school.

One of the teens was a friend of Parkland massacre victim Meadow Pollack.

Sydney Aiello, 19, died on Sunday, according to officials.

Police say the student was found dead Saturday, less than a week after Sydney Aiello took her own life.

On "This Week," Martha Raddatz reflects on the mass school shooting that killed 17 people in Parkland, Florida, one year ago.

Thursday marks the first anniversary of the deadly shooting.

Thursday marks the first anniversary of the deadly shooting.

Lori Alhadeff pens a Valentine's Day heartfelt letter to her daughter on the first anniversary of the Parkland massacre.

Memorials are taking place to commemorate the Marjory Stoneman Douglas High School shooting which claimed the lives of 17 people.

Thousands will hold a moment of silence to honor the 14 students and three staff members killed one year ago at Marjory Stoneman Douglas High School.

Florida Gov. Ron DeSantis is asking for a grand jury to review school safety statewide. ABC News' Kenneth Moton reports.

One year after the deadliest school shooting in U.S. history, some Marjory Stoneman Douglass student survivors and victims' parents turned their pain into activism to fight for stronger gun laws.

"It’s like where we started and the fact that we are here talking to you almost a year later, and we are still going and growing -- it means the world," said one student.