Despite being accused and convicted of previous poisonings, how did michael swango continue to work in the healthcare industry? who eventually put an end to swango's crimes?

Michael Swango continue to work in the healthcare industry because there was lack of checking system.

Explanation:

Even after killing many patients, Michael Swango still kept on working in the health care industry because of the lack of proper checking system in the hospital and more over the administrators of the hospitals were not ready to accept the fact that one of the people working in the hospital could kill his patients.

And therefore Swango was allowed to work even after he was imprisoned. The attempt to put an end to the crimes committed by Swango was done by the judge Jacob Mishler who gave the punishment to Swango about three consecutive life terms.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

what exactly is the question to this?