Researchers are working to develop a breathalyzer that can detect THC levels in blood, according to the University of ...

Johnny Manziel's mom refused to take a Breathalyzer and failed a field sobriety test just before she was thrown behind bars last week for DWI ... law enforcement sources tell TMZ Sports. Michelle ...

The purpose of this policy is to establish the criteria and procedures for maintaining the breathalyzer, administering breathalyzer tests, and reporting usage. Breathalyzer tests may be administered ...

Marijuana breathalyzers work by measuring the number ... North Carolina law enforcement officers rely on standardized field sobriety testing. Basic sobriety tests include standing on one leg ...