After the murder of Popa, a waitress, the authorities went on high alert, launching "Operation Vulture", named after the street where she had been murdered. 6,000 men from various law-enforcement agencies patrolled the streets of Bucharest each night, as well as 100 cars and 40 motorcycles. Medical personnel, night bus and tram operators, hotel and bar employees – all were mobilized, not to mention great numbers of Securitate, Police and Interior Ministry staff. 2,565 arrests were made and over 8,000 individuals were asked for identification, but Rîmaru would commit one more murder and attempt to commit several more before being arrested.