ashley pegram , from summerville , south carolina , went on a date with a man she met online on april 3 and has not been seen since .
her sister found she had been messaging an 18-year-old man - but he turned out to be 30-year-old edward primo bonilla .
bonilla told her and police that he had kicked pegram out of his car because she was too drunk .
he has been charged with obstructing justice for ` giving false and misleading information ' and police say foul play is ` a definite possibility '