just last week, another embar racement for the service which attracts scandal like the white house attracts sightseers. two seniors left a party and drove their government car through a security embear air that had been set us because of the investigation of a suspicious package. >> they were going to test the agents for their level of alcohol, but it was decided they would be sent home. the department of homeland security will be carrying out the investigation almost an outside eye looking at the inside of the security service. one of those under investigation is a top member of the president's protective detail. often pictured close to barack obama's side. the other agent a senior supervisor in the washington field office. this is the latest in a long line of embarrassment and security lapses for the secret service. in october of 2013 a woman was shot and killed by police after she ran a temporary security barrier outside of the white house. a man jumped the white house fence armed with a knife. fought off two dogs and got into the building itself before being stopped. and in january a dr