Detective Alex Cross is chasing an elusive murderer called 'The Family Man' in the 30th instalment of the bestselling Alex Cross series.
They strike under cover of darkness, trigger no alarms, and leave no evidence behind.
Detective Alex Cross is hunting a killer who targets families around Washington, DC. But Cross isn't the only one investigating.
A charismatic true-crime author has spotted patterns in the actions of 'The Family Man' that others have missed.
It's up to Cross to determine whether the writer's theories are fact or fiction.