Supergirl
Dive Bar
Alex tracks Ron Collins down to a bar and confronts him about the attempt on her life in episode 3x20 “Dark Side of the Moon”. J'onn talks to the cop that Fiona had marked on her computer and learns that he has anti-alien sentiments in episode 4x02 “Fallout”. Manchester Black approaches Officer Petrocelli and gets him drunk to gather information on the anti-alien group in episode 4x04 “Ahimsa”.
Source: kayla_rueck — Twitter via What's Filming