When applying for an important job, it is common to find that one of the preliminary screening requirements is to have live scan fingerprinting. This

You may even be selected at random during your time of employment for a drug test by your employer if they suspect, or have evidence that drug use has lowered one’s work performance, or may be subjecting other staff members to imminent danger.

Just like pre-employment drug testing, an employer can legally ask one to take a drug test if they have a reasonable suspicion that an employee

So you have found out that are expecting a child but you have no idea who the father is! You might have been involved with