pyrotechnics, things like fire lanes, for example, and exit being consistently blocked. that's the word used by one of the sources. instances of inappropriate sexuality behavior. one pyrotechnician said that he neglected to hold safety meetings as consistently failed to announce the presence of a firearm on set to the crew. that's usually standard procedure for safety on sets like this. she tells cnn that, quote, the only reason the crew was made aware of the weapon's sprens because of the assistant prop master demand that david acknowledge and announce situation each day. now another crew members told cnn when halls did have the safety meetings he was quite dismissive and short. he questioned the need to have them in the first place. now, we have reached out to mr. halls to try to get a reaction to some of these allegations. we have not yet heard back. fredericka. >> and then lucy, everyone is still mourning the loss of