Beeley is a member of the Working Group on Syria, Propaganda and Media which alleges that the 2018 Douma chemical attack was staged by the White Helmets. She has claimed that the Syrian government has not carried out chemical weapon attacks. Experts from the OPCW-UN Joint Investigative Mechanism have stated that the Syrian Air Force was responsible for the 2017 Khan Shaykhun chemical attack. Beeley has claimed that the attack has been "debunked".