County Supervisor Jim Desmond testified before the House Committee on Homeland Security in Washington on Wednesday, telling lawmakers that the arrival of so many migrants — many of them asylum seekers — has strained San Diego County’s resources and raised concerns about how border-crossers entering the U.

Former Border Patrol Chief Aaron Heitke at a Congressional hearing on Thursday revealed he was told to be silent about certain immigration practices including data on terror encounters and flights to fly illegal immigrants.

The commissioner credited the agents and officers for helping bring down the number of unlawful entries into the U.S.