The 5th Amendment is an old friend and a good friend, one of the great landmarks in men's struggle to be free of tyranny, to be decent and civilized.
Definition.com
Definition.com
The 5th Amendment protects individuals from self-incrimination in criminal proceedings, not in rulings involving personal matters such as drug-testing policies.
Definition.com
The 5th Amendment is limited to the government compelling individuals to testify against themselves. As a result, requiring physical evidence such as blood, urine, and hair samples rather than testimony from individuals is not a violation of their fifth amendment guarantees.
See also
.com