E-cigarette maker Juul Labs Inc funded a “holistic health education” camp as part of efforts to market directly to school-aged children, members of a US Congressional panel said on Thursday, citing internal company documents.

Democrats on a subcommittee of the House of Representatives Committee on Oversight and Reform released a cache of internal Juul emails and other documents that committee staff described as early attempts to “enter schools and convey its messaging directly to teenage children.”

Juul’s use of social media influencers to promote its vaping devices in the years after it launched in 2015 also came under scrutiny.