She said she was taught during training if a suspect reaches into a auto, an officer does not let them pull their arm back because they might be holding a gun.
"And I believe all the officers involved, they're going to be held accountable because this family right here, we believe in a higher power".
Protesters gathered outside the Tulsa courthouse in the wake of the verdict.
The Guardian's The Counted data reports 42 unarmed black people were killed by U.S. police in 2016.
Tulsa has a long history of troubled race relations dating back to a 1921 race riot that left about 300 black residents dead. "Betty Shelby was following him with his hands up". During the trial, Crutcher's twin sister, Tiffany, said, "it's clear" that other officers were covering for Shelby.
An Oklahoma jury on Wednesday found a white Tulsa police officer not guilty of manslaughter in the fatal shooting of an unarmed black man in a confrontation caught on video last September, stoking a national debate over racial bias in law enforcement.
"She's ready to get back to her life", defence attorney Shannon McMurray said. Following her arrest, Shelby testified she shot Crutcher when he reached into the vehicle through a window instead of following her orders to show his hands.
Prosecutors argued that Shelby overreacted, given that Crutcher had his arms up and was not combative.
Yelling anti-Muslim, 'anti-everything' slurs, man kills 2, Portland police say
At the time, the attorney suspected the onset of mental health problems to explain his actions and anxious about how he would deal with prison.
After deliberating for nearly nine hours, the jury in the manslaughter case of Tulsa Police Officer Betty Shelby has returned a not guilty verdict.
Shelby claimed she shot the 40-year-old father because she thought he was reaching for a gun, although police footage shows Crutcher had his hands in the air.
Jurors are deliberating in the manslaughter trial of an Oklahoma police officer who fatally shot an unarmed black man past year. "What I got out of this case was that a coverup was exposed".
Shelby, who is white, was charged last September with felony manslaughter in the shooting of Terence Crutcher, 40.
Kunzweiler's case was criticized, the defense saying all the state could do was say Shelby was angry while she challenged a course. In the interview and at trial, she blamed Crutcher's death on his actions.
Tulsa police have said Crutcher was unarmed and there was no weapon in his vehicle, which was blocking a road.
Crutcher's vehicle had reportedly broken down.
However, Assistant District Attorney Kevin Gray said video clips appear to show Crutcher was shot five seconds before he appeared to reach inside his vehicle.
Crutcher's family, who maintain that the shooting was unjustified, accused the police of using the drug possession to deflect attention from the fact that Crutcher was unarmed when police shot him, The Associated Press reported.