BREVARD COUNTY, Fla. – Dash cam video of a Brevard County deputy firing into a car and killing two teens has sparked a conversation about law enforcement policy: Should deputies be allowed to fire into a motor vehicle?“An officer should only fire his weapon if there is a reasonable belief that is going to stop the threat,” said Chuck Drago, a former police chief who was also a police instructor and now serves as a consultant and expert witness through his firm Drago Professional Consultants when police shootings happen.[TRENDING: Hundreds line up for free turkeys | COVID-19 vaccine FAQs | 11 things to be thankful for during pandemic]“It is very unlikely that you are going to stop the movement or momentum of that car by shooting it.