Rittenhouse, who recently turned 18, was seen at Pudgy's Pub in Mount Pleasant, Wisconsin just hours after a hearing in which entered the plea.
Images circulated on social media that appeared to show Rittenhouse drinking a beer and wearing a shirt that read "Free as F***."
Police in the village said someone concerned that Rittenhouse may have been in violation of his bond agreement contacted the department.
RELATED: Jacob Blake shooting: Kenosha protests peaceful after no charges announced for police officers
Rittenhouse was found at the bar in the company of a parent between 2:25 p.m. and 4:25 p.m. Tuesday, Mount Pleasant police said in a statement.
In a discussion with the Kenosha County district attorney's office, it was determined that Rittenhouse's visit to the bar did not violate the agreement, since he was there with a parent, police said.
Under Wisconsin law a person under 21 can consume alcohol at licensed bars if they are with a parent, guardian or spouse of legal drinking age.
RELATED: Kyle Rittenhouse, Antioch teen charged with murder in Kenosha protest shootings, pleads not guilty
Rittenhouse is charged with killing Joseph Rosenbaum and Anthony Huber, as well as wounding Gaige Grosskreutz in Kenosha the night of Aug. 25 after learning of a call for militia members to protect businesses in the city during protests following the police shooting of Jacob Blake.
Rittenhouse is free on $2 million bail while awaiting trial. Much of the money was raised by donors who see him as a hero who took up arms to protect people.
(Source: Sun-Times Media Wire - Copyright Chicago Sun-Times 2021.)