A recidivist, if he re-offends after being released from jail, or a multiple offender if it is in a single act or series of acts.
A person who commits a robbery is known as a robber or a thief.
A tortfeasor A tortfeasor
A person who commits a crime is known as a criminal.
A person who betrays his country - in other words: commits treason - is called a traitor.
A murderer. Also, fratricidal if they have a compulsion to kill all brothers.
A tortfeasor. The tort refers to the body of the law that will allow an injured person to get compensation from the person who caused the injury (the tortfeasor). This comes from the Latin word tortus, meaning "wrong".
One name would be an "offender." In severe crimes a "criminal."One name would be an "offender." In severe crimes a "criminal."One name would be an "offender." In severe crimes a "criminal."One name would be an "offender." In severe crimes a "criminal."One name would be an "offender." In severe crimes a "criminal."One name would be an "offender." In severe crimes a "criminal."
A person who commits suicide is also called a suicide. Or..."dead" is probably a good word for it. :)
A person who commits heinous acts is often referred to as a criminal, wrongdoer, or offender.
That person is called a Traitor.
call 911
a "plagarist," usually.