Meanwhile his sister Lauren and some of the younger agents are sent to test the security of an air traffic control centre.

"Jeffrey never had much idle time," his sister Lauren said.

In Kann's case, the domestic chaos, at least in the book, begins with the death of her sister Lauren in a car crash.

In her own biography, his sister Lauren mentions Billy's having had alcohol and drug problems in his twenties and thirties.

Jay's a right one - he's already had a crack at Abi's sister Lauren and now he's going for the younger one.

Meanwhile his sister Lauren, played by Rachel Pinto, is trapped in a pure white cell and is forced to do her own searching of the past.

The small plane he was piloting crashed into the Atlantic Ocean in 1999, killing him, his wife, Carolyn Bessette Kennedy, and her sister Lauren.

However, the focus later turns to his sister Lauren and several other characters who work alongside him, and in separate missions.

The first series primarily follows James Adams, an adolescent who is later joined by his sister Lauren when their mother died.

Meanwhile, his sister Lauren, who has worked with her father since graduating from college, is striving to keep the lines of communication open among all the family members.