Or maybe he is a completely innocent member of society who was merely looking for an address of a friend. If you were that concerned about your safety due to this person's actions, why wouldn't you report him to the police for acting suspiciously?
This man once got so irrate with a traffic situation that he attempted self suffocation by inserting his full fist into his mouth. There was saliva all over his steering wheel as he struggled for complete insertion. When he noticed me looking he called me (through his muffled fist) a "perfffwwakkkiiii baffffsssterrr", which was obviously his attempt at a racial 'slurr'.
Look closely they are using their mobile phone when the police car eventually pulls up behind theM