Border patrol agent told women to expose breasts to enter US / A timeline of activities of a cultlike group tied to the killing of a Border Patrol agent / What to know about the killing of a Border Patrol agent and ties to a cultlike group / Mexican cartels fire at Border Patrol agents as Trump ramps up enforcement: officials / Border Patrol agent shot and killed along northern border / In Arizona, Trump pitches ideas to attract more Border Patrol agents / Illegal immigrant bites Border Patrol agent in the face amid 'significant rise' of attacks on CBP / Border Patrol agent accused of making women expose themselves as part of immigration 'search'