During a congressional hearing in 1999, Cummings said: "This morning I left my community of Baltimore, a drug infested area" where people were "walking around like zombies."
The newly uncovered clip comes after Trump repeatedly slammed Cummings over the weekend for the poor conditions in his district.
Trump tweeted."Rep. Elijah Cummings has been a brutal bully, shouting and screaming at the great men & women of Border Patrol about conditions at the Southern Border, when actually his Baltimore district is FAR WORSE and more dangerous,"