Google’s Margaret Lam is becoming quite the smoking gun in the hands of Epic attorney Lauren Moskowitz, at least when it comes to building the impression that Google tried to avoid leaving a document trail.

Moskowitz is presenting a seemingly unending string of instances in which Lam asks her colleagues to turn off chat history — including one where a colleague repeatedly insisted he was on a legal hold, and thus the documents needed to be preserved. “Ok maybe I take you off this convo :)” she wrote.

To her credit, it looks like she went looking for better guidance after that conversation. She claims she was given bad advice — “it was an open question” after her first call with lawyers as to what needed preserved — and now understands she did not comply with her legal obligations.

That seems plausible. But initially, she said a lawyer never explained her obligations after the legal hold.