It is wrong to accuse someone.
Pam is missing money from the wallet she had in her desk, and she suspects a colleague took it.
Pam wants to recover her money.
Pam reports the loss to the building security and asks them to check the cameras.
Pam confronts her colleague and asks for her money back.
Pam is able to gain proof of who took her money and recovers it.
Pam has no proof and ends up alienating some of her coworkers.