 The two constantly competed, both during training and investigations.Todd was often critical of DiNozzo's behaviour, especially concerning his attitude towards women and his disrespect for personal boundaries; indeed, DiNozzo routinely went through Todd's purse, cellphone, PDA and desktop computer, uncovering personal information such as her dates' identities.In one episode, DiNozzo sneaked unbeknownst to her into the bathroom while she was having a shower in order to brush his teeth, which infuriated her when she noticed him.