Roger Cassidy Clinton was arrested about 8:05 p.m., according to police. He was released on $15,000 bond late Monday morning.
His arrest was prompted by a 7:20 p.m. call from a motorist who reported a driver headed southbound on Pacific Coast Highway who was possibly drunk and was driving in "an erratic manner," police said in a statement.
"The report was he was driving erratically, violating multiple" traffic laws, said Redondo Beach police Lt. Joe Hoffman.
The caller followed the car until police caught up. Officers also witnessed the car driving erratically, Hoffman said. Police pulled over the vehicle at Torrance Boulevard and South Prospect Avenue.
There were three other people in the car with Clinton, police said. They were released and caught a taxi, according to Hoffman.
Officers gave Clinton a series of field sobriety exams, Hoffman said. In Redondo Beach, the exam typically involves walking a straight line and turning around, standing on one leg, the horizontal gaze nystagmus test – in which an officer observes whether the eyes move smoothly as they track an object side to side – and the Rhomberg balance test in which a person stands with their feet together and eyes closed and attempts to touch their nose.
Clinton failed the tests, Hoffman said. When he was taken to the police station, he refused a breath and blood chemical test to detect his blood alcohol content – which triggers an automatic one-year suspension of his driver's license by the Department of Motor Vehicles under a law passed in 1990 to deter drunk driving.
"He was explained the law and chose not to provide chemical testing," Hoffman said.
Clinton has 10 days to appeal the suspension, according to the DMV website.
Roger Clinton is Bill Clinton's half-brother. He was arrested in 2001 on suspicion of drunk driving in Hermosa Beach but ultimately pleaded guilty to a misdemeanor charge of reckless driving. Clinton was pardoned for a 1985 cocaine distribution offense by President Clinton before he left office.
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9:51 a.m.: This article was updated with additional information from police.