According to Google , jurisdiction is the official power to make legal decisions and judgments.
According to CNN, a 19 year old woman involved in the craigslist killings, recently revealed that she killed three other men in three different states. Her and her husband participated in the killings together. According to the article she killed 22 men over a 6 year period. Who has jurisdiction in this case?
There are State and Federal crimes.
In this case:
States prosecute most crimes, however they may only investigate and prosecute within their jurisdiction. Yet, If a crime is committed across statelines , it becomes federal jurisdiction.