Complex sentence: Then, on June 12,1986, Reznikov entered the Rasputin nightclub in Brighton Beach and placed a 9mm Beretta against Balagula's head, demanding $600,000 in exchange for not pulling the trigger.
Split into simpler sentences: Then, on June 12,1986, Reznikov entered the Rasputin nightclub in Brighton Beach. Reznikov placed a 9mm Beretta against Balagula's head and demanded $600,000 as the price of not pulling the trigger.