Which information below is NOT legally protected $($i$.$e$.,$ it can be legally accessed by the employer$)$ under U$.$S$.$ privacy law?

$$ A$)$ the contents of an employee's private e$-$mail, accessed on a work computer

B$)$ the contents of an employee's phone call made using the employer's phone, on the employer's premises, during working hours

C$)$ that obtained by a search of the employee's body or physical space $($so by a pat$-$down or body search$)$

D$)$ an employee's criminal record