ministry and dropping grenades. president maduro says no one was injured. let's go to our international correspondent, monitoring the situation from havana because cnn espanol has been -- repeatedly. we've been asking for visas, waivers to get into the country. patrick, do we know the name of the suspect and what prompted him to do this? >> reporter: yes, we do, wolf. his name is oscar perez. he's a police officer and even for the standards of venezuela, a country that has been racked by violent protests for weeks, the scene yesterday of a police officer in a helicopter bombing parts of the downtown caracas were shocking. called a coup attempt by venezuela's government, the attackers rained down grenades and gunfire on government buildings in the capital city of caracas. no one appeared to be injured by the aerial bombardment further unsettled a country already on