According to the provisions of Article 263 of the Criminal Law, anyone who robs property by violence, coercion or other means shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and fined; Under any of the following circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years, life imprisonment or death, and shall also be fined or confiscated:
Burglary;
(2) Robbery on public transport;
(3) robbing banks or other financial institutions;
(4) Robbery for many times or the amount of robbery is huge;
(5) Robbery causes serious injury or death;
(six) posing as military and police personnel to rob;
(7) Armed robbery;
(eight) robbing military supplies or emergency rescue, disaster relief and relief supplies.
One article is added: Article 310 Whoever knowingly provides help for criminals to escape or perjury to cover up shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance; If the circumstances are serious, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years.
One more thing: your sister has reached 16 years old.