A Florida sheriff’s deputy at the scene of the Parkland school shooting is on trial over whether he failed to take action and prevent the deaths of six of the 17 people killed in the 2018 massacre. In opening statements Wednesday,

Opening arguments began Wednesday as the jury starts hearing details about what happened at Marjory Stoneman Douglas High School.

The state accused Peterson of failing to follow active shooter training by staying outside and taking cover for at least 45 minutes.

A Florida prosecutor and a defense attorney traded opening arguments on Wednesday at the trial of a former sheriff's deputy accused of failing to protect students during the 2018 mass shooting at Parkland's Marjory Stoneman Douglas High School.

Prosecutors in the trial of the former school resource officer who stayed outside a Parkland, Florida, high school while 17 people were massacred called their first witness Wednesday: a former student who testified she and her classmates rendered aid to wounded students as they waited for help for 20 minutes after the shooter fired into her classroom.