Five years after the shooting at Pulse, Patience Carter, now Patience Murray, still struggles physically and mentally with what happened to her that night.

Some 49 people were killed when a gunman opened fire inside the crowded Orlando nightclub.

Five years after the mass shooting at Pulse nightclub in Orlando that killed 49 people, a survivor is urging Americans to honor his slain friends with action.

Five years after the horrific mass shooting, survivors are sharing their stories ahead of tonight's remembrance ceremony.

It’s been 5 years since Patience Carter survived the Pulse nightclub shooting in Orlando.

Florida lawmakers are looking to designate the site of the Pulse nightclub shooting in Orlando as a national memorial.

Tuesday marks two years since 49 people were gunned down at the nightclub in Orlando.

Omar Mateen opened fire at a gay nightclub in Orlando, a massacre that killed 49 people and wounded 53.

More than two dozen officers failed in their duties or violated the civil rights of surviving victims after the Pulse nightclub massacre, according to a new lawsuit,

More than two dozen officers failed in their duties or violated the civil rights of surviving victims after the Pulse nightclub massacre, according to a new lawsuit.

"Noor had difficulty with retention. She had difficulty with conceptualizing."

The widow of the Omar Mateen was found not guilty of helping her husband carry out the worst terror attack in the U.S. since 9/11.

Noor Salman, the wife of Pulse nightclub shooter Omar Mateen, was declared not guilty Friday morning.

Noor Salman, the wife of Pulse nightclub shooter Omar Mateen, was declared not guilty on all counts Friday morning.

The airing of the video was shown for the first time today.

The wife of Pulse nightclub shooter Omar Mateen, Noor Salman, faces a federal trial.

The memorial will honor the 49 people killed at the LGBT venue.

A Florida police officer who was hailed a hero for rescuing a victim in the Pulse nightclub shooting last year will be dismissed from the force at the end of the month.

At first the gunshots were mistaken for part of the music.

The haunting sound of victims' ringing phones stays with officers almost one year later.

Officers enter the Pulse nightclub as gunshots ring out and victims cry for help.

Police say situation escalated rapidly from active shooter to hostage situation.

Video captures dramatic scenes from worst mass shooting in American history.

ABC News' Amna Nawaz talks with ABC News' Scott Withers who is on the scene at the memorial.

The attack, which killed 49 people at a gay nightclub in Orlando, was the largest mass shooting in modern American history.

Orlando dedicated the day in memory of the 49 lives that were taken at Pulse.

"There's no real right answer" to how to respond, one survivor said.

Orlando dedicated the day in memory of the 49 lives that were taken at Pulse.

ABC News' Scott Withers reports from Pulse nightclub as the city of Orlando comes together to honor victims of the shooting.

Tributes are taking place in cyberspace and in Orlando.

Officers used an armored vehicle to break down the nightclub walls so hostages could escape.

First responders recount how they tried to save victims and hunt down the shooter.

Orlando police released 11 hours of new body camera footage from inside the Pulse nightclub on the night of the worst mass shooting in modern American history.

Video shows hunt for active shooter inside the Pulse nightclub almost one year ago.

The creation of the memorial will involve input from the community, including survivors and victims' family members, Poma said at a press conference this morning outside the nightclub.

Survivors and victims' family members can give their input.

A presentation from the Orlando Police Department contains newly-released facts about an ISIS-inspired shooting at Orlando’s Pulse nightclub in 2016.

She was arrested by the FBI in San Francisco in January.

A memorial service will be held at the site of the former LGBT club.

The friends are traveling in a Jeep signed by survivors of the massacre.

A federal judge in Oakland ordered that Noor Salman remain under house arrest.

Noor Salman, the widow of Pulse nightclub shooter Omar Mateen, is set to be released from jail on a $500,000 bond and placed on house arrest as she awaits trial.

Prosecutors did not establish clear evidence that Salman is a flight risk.

Prosecutors did not establish clear evidence that Salman is a flight risk.

She has been in custody since she was arrested in January.

She has been in custody since she was arrested in January.

Gunman Omar Mateen's wife, Noor Salman, was arrested Monday in California.

Omar Mateen's wife, Noor Salman, was arrested by the FBI in San Francisco.

Noor Salman, the widow of Omar Mateen, who shot and killed 49 people at Pulse nightclub in Orlando, will face charges in connection with the deadly attack.

Noor Salman was charged federally with aiding and abetting her husband, Omar Mateen.