As US fentanyl deaths jump, GOP casts blame at the border

The Republican takeover of the House shifted congressional oversight of the border, with GOP lawmakers using their new powers in efforts to link the fentanyl crisis to migration.

Fentanyl has increased the stakes in the decades-long drug war, inflaming the preexisting opiate crisis and bickering over border security, with a heightened lethality not shared by other recreational drugs.