Bangkok , Thailand ( CNN ) -- Thai police added a drunken driving charge against a Red Bull energy drink heir accused of ramming a police officer with his Ferrari and fleeing the scene , authorities said Friday . Authorities charged the drink creator 's grandson with negligent death and hit-and-run after the crash . They said he had a high alcohol content , an additional charge that if found guilty , would add up to 10 years to his sentence , according to Police Maj. Gen. Anuchai Lekbumrung . CNN attempts to reach the suspect 's attorney were unsuccessful . The arrest of Vorayud Yoovidhaya -- a member of one of Thailand 's richest families -- has sparked a controversy over the nation 's justice system . At first , police allegedly tried to cover up the 27-year-old 's involvement by arresting a suspect who pretended to be driving the car at the time . The arrest of the bogus suspect led to the suspension of a police officer . The officer killed in the crash , Police Sgt . Major Wichien Klanprasert , was responding to a robbery call when his motorcycle was hit by what a witness described as a black sports car early Monday , authorities said . His cremation is planned for Friday evening , relatives said . Investigators said they followed the path of leaked oil from the crash scene to the suspect 's home . Police entered his mansion with a search warrant and found his Ferrari , which was wrecked on the front and had deployed air bags , authorities said . The heir has admitted driving the car and hitting the motorcycle , but he claimed he was suddenly cut off by the bike , according to Lekbumrung . He was charged with hit-and-run and causing a death with negligence , and was released on a bond of 500,000 baht ( About $ 16,000 ) . An investigation is under way to determine how fast he was driving , police said . The suspect 's grandfather , Chaleo Yoovidhaya , teamed with an Austrian businessman to create the Red Bull brand and products . His father , Chalerm Yoovidhaya , is an executive with the energy drink company . His father has attended evening services for the officer at the local temple , said Natthanan Klanpraert , the victim 's sister-in-law . The suspect and his mother also stopped by the temple Thursday afternoon , but the victim 's family was not around , she said .
The Bull heir is accused of killing a police officer in hit - and - run . Police : He had a high cocaine content , which comes with an additional charge . If he is found guilty , he will get an additional 10 years in prison .