New video shows the path of a gunman who killed three people and hurt seven others at an In-N-Out in Idaho.

The police chief released a timeline and video of the attack. An off-duty trooper and an armed bystander confronted the gunman.

The gunman was 24-year-old Chad Williams. Police think he acted alone but do not know why.

Many people were killed at an In-N-Out in Idaho. The gunman is dead.

An off-duty trooper jumped over the counter to respond to the gunman.

The police chief said they will not use the gunman's name to respect the victims.

The first 911 call came in at 2:29 p.m. about an active shooter.

The gunman shot and killed two people at the drive-thru. He used a handgun.

A former police officer ran towards the gunfire and confronted the gunman.

An off-duty trooper and an armed citizen are heroes for returning fire on the gunman.

A video shows the gunman holding a gun at the In-N-Out drive-thru.

The police clarified that the former officer was not the off-duty trooper who responded.

The gunman got a rifle from his car. An off-duty trooper helped people escape.

The trooper and gunman exchanged fire. A bystander was shot while helping.

The gunman shot three people at a red light.

The motive for the Idaho In-N-Out shooting is still unknown.

A witness took a video of the shooting scene at the In-N-Out.

An armed bystander shot at the gunman, who ran to a Tesla charging station.

The armed citizen, Jordan Salinas, helped drive the gunman away.

The gunman shot people at the Tesla charging station. One person died.

The gunman went to the visitors center and a trail. Officers were closing in.

The In-N-Out president said his heart is broken after the shooting.

A news station showed the scene of the shooting at the In-N-Out.

An employee confronted the gunman on the trail, giving others time to escape.

The gunman died from a self-inflicted gunshot wound near a shopping center.

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Officers helped victims after the gunman died.

The actions of bystanders and first responders helped save lives.

Police are still trying to find out why the gunman attacked.

Brittany Miller is a Fox News Digital writer who graduated from Syracuse University.