OpenAI CEO Sam Altman issued a public apology Friday after his company failed to alert law enforcement about concerning online behavior from a person who later carried out a fatal shooting in Tumbler Ridge, British Columbia that killed eight people.

In a letter posted Friday, Altman expressed his deepest condolences to the community affected by the tragedy. The apology comes after it was revealed that OpenAI had identified problematic activity on its platform prior to the shooting incident.

According to OpenAI's statement, the company had detected the concerning account through its abuse detection systems. However, the company determined at the time that the behavior did not meet the threshold required for making a legal referral to law enforcement authorities.

The shooting incident in Tumbler Ridge resulted in eight fatalities, though specific details about the timing of the attack and the perpetrator's use of OpenAI's services were not detailed in the company's statement.

The incident raises questions about technology companies' protocols for identifying and reporting potentially dangerous online behavior to authorities, particularly regarding the criteria used to determine when concerning activity warrants law enforcement notification.