If the police station has mold, opening the windows and burning sage is not going to take care of the issue. They need to find exactly where the mold is and have experts eradicate it. Also, mold is not to be taken lightly.It is extremely bad for everyone's health.
The explanation for how and when the murder occurred is inconsistent with the victim's phone call with her mother.
Florence wonders how a building could make someone sick, but Neville had already explained to her how "sick building syndrome" worked.