Checked elsewhere

“Fentanyl is "here because our southern border is open.”

PolitiFact says: A combination of physical barriers such as fences, surveillance technology such as drones and about 20,000 U.S. Border Patrol agents help limit who and what comes into the United States.

“Says the Potomac River "has gotten dirtier and dirtier and dirtier and dirtier. I go down there and that litter is left almost exclusively by immigrants.”