A competitor without a sign
Shushing distracts the gang from an online publicity campaign.
Supporting source ↗CASE FILE · S07 E08

While Dennis and Charlie track down an annoying Paddy's patron the old-fashioned way, Dee and Mac cyberstalk him. Frank is online as well, trying to boost business at the bar. Things go viral, and not in a good way for Frank.
THE SHORT VERSION · SPOILERS AHEAD
Shushing distracts the gang from an online publicity campaign.
Supporting source ↗Dennis and Charlie commission drawings. Mac and Dee pursue misleading profiles.
Supporting source ↗The impersonator possesses hair Dee mailed to another invented persona.
Supporting source ↗Frank broadcasts a virus warning. The missing sign attracts the Shusher.
Supporting source ↗THE EVIDENCE
Charlie examines the caricature beside Dennis.Source ↗
Dee reacts to the woman’s account of her online identities.Source ↗
Dennis answers a call beside Charlie at Paddy’s.Source ↗
Detective Larson questions the complaint at his desk.Source ↗
Frank appears in a white coat in his publicity video.Source ↗
The woman explains the fabricated profiles from beside Jerry’s bed.Source ↗
The Shusher enters Paddy’s with two friends.Source ↗
The gang watches Frank’s video on the bar laptop.Source ↗
Charlie and Dennis sit opposite officers in the station.Source ↗
Charlie and Dennis question the bartender at the crowded gin bar.Source ↗
Mac holds a handheld video camera at Paddy’s.Source ↗
Dennis displays the hand-drawn caricature used for his campaign.Source ↗
The sketch artist holds up the portrait drawn for the report.Source ↗
The large caricature depicts a man driving a small car.Source ↗
The duo invents assault allegations to obtain a police sketch.Source ↗
Frank’s advertisement turns into a computer-virus warning.Source ↗
Frank revives his doctor persona for the video.Source ↗
Tags document researched occurrences, not every appearance. Read the research notes and attribution.