Transcript for Deadly High Speed Police Chases
We've all seen police chases but tonight the video asking how far is too far. Ryan smith with the dangerous moments on the golf course and the new tool that might help prevent it. Reporter: It's the last kind of driver you expect to see on a golf course. Police cars barreling down the fairway, sirens blaring. There was people running. I could see in the distance people scattering and running all over the place. Reporter: Minnesota cops chasing this man on outstanding drug warrants. Today the department is reviewing whether that chase crossed the line. Their policy on vehicle pursuits requires officers to exhibit a height degree of common sense and sound judgment. High speed police chases now happening all to often some turning deadly. More than 300 people killed in just one year. Including innocent bystanders like John Farris's son now crusading against those chases. The burden to protect the public is on law enforcement. Oftentimes protecting the public means breaking off and not continuing that pursuit. Reporter: So where do police draw the line? Police officers don't want to be in police chases. They don't want to be in police chases. It's a danger to them and to the public as well. Reporter: Nearly two dozen police departments now using new gps technology called star chase. It shoots a tracker from the front grille of a police car onto the car they're pursuing. They can trace the suspect without the hot pursuit. Some hope this will make the chase, as exciting ago it may seem, a thing of the past. Ryan smith, ABC news, new Jersey.
This transcript has been automatically generated and may not be 100% accurate.