All 4 Uses of

denounce

in

Mountains Beyond Mountains

But the warning wasn't entirely plain, and the captain got a little riled up at Farmer's denunciation of the School of the Americas.†
Chpt 1.1

denunciation = strong criticism or public accusation OR (more rarely) reporting someone to the authorities

junta's death squads, whose minions had murdered Chouchou, had been trained at Fort Benning's School of the Americas; that some of the junta's henchmen and officers in the Haitian army also worked for the cia; that while formally deploring the coup, Washington, with the help of a generally compliant mainstream American press, was busily denouncing Aristide, even manufacturing lies about him, and maintaining a leaky embargo that seemed calculated to preserve appearances but not to drive the junta out of power.†
Chpt 2.12

denouncing = strongly criticizing or accusing publicly OR (more rarely) informing against someone

And he was more interested in denouncing the faults of the capitalist world than in cataloging the failures of socialism.
Chpt 4.21 *

denouncing = strongly criticizing

I've been yelled at by generals and denounced by people who don't have any data when I have a shitload.†
Chpt 4.21

denounced = strongly criticized or accused publicly OR (more rarely) informed against someone

Definition:

to strongly criticize or accuse publicly

or more rarely: to inform against someone (turn someone into the authorities)