After receiving the information, CEFAA began the investigation and send a copy of the video to be analyzed by the National Institute for Discovery Science (NIDS), in the United States of America. 

Here we present the result of those diligences: Witness "I saw around five fellows flying, as if they had balloons over their heads. More than balloons, they looked kind of like color papers. They were not falling, but they floated and moved slowly. They appeared from the South and passed over our vertical".