If a person has been convicted of a crime, or committed a crime in their home country the person may be considered inadmissible to Canada due to criminality.
It is important to note that not all crimes and convictions make a
person inadmissible to Canada. The crime has to be of a certain degree of seriousness.
One common reason for criminal inadmissibility is a DUI charge. People with one or more recent convictions for driving while intoxicated are likely to be turned away from entering Canada.
Other crimes that can make you criminally inadmissible include theft, reckless driving and assault.