Polls conducted Action from 1966 to 2004 found Know that up to 80 percent of Americans suspected Suspicion that there was a plot Committing_crime or cover-up Wearing .

In 2015 , the Independent Police Complaints Commission reported Reporting that there was `` evidence of excessive violence Violence by police officers , a false narrative from police exaggerating Cause_change_of_position_on_a_scale violence Violence by miners , perjury by officers giving Giving evidence to prosecute Criminal_investigation the arrested Arrest men , and an apparent cover-up of that perjury by senior officers '' .

Kirchner is currently referred for public trial over alleged cover-up of Iranian involvement in the bombing Attack .

The incident increased Cause_change_of_position_on_a_scale to some extent domestic opposition to the U.S. involvement in the Vietnam War when the scope of killing Killing and cover-up attempts were exposed Reveal_secret .

However , after one of the local opposing political parties launched Process_start its own inquiries Criminal_investigation , new evidence and witness testimonies surfaced Know which uncovered gross negligence and murder Killing on the officers ' part , as well as the possibility of a local and federal cover-up .

The incident and subsequent events have become Becoming one of the most controversial events in Puerto Rico 's political history , frequently called Name_conferral `` the worst political cover-up in the history of the island '' .