identify a case from the Sixth Amendment regarding speedy trial rights

The Sixth Amendment of the U.S. Constitution is a very prominent amendment and contains several key words that a defendant must be aware of when under investigation and while being questioned by law enforcement. One of the key factors of the Sixth Amendment of the U.S. Constitution is the right to a speedy trial. Cases have been heard at the Supreme Court level regarding violations by police, law enforcement, and other judicial organizations to individuals.
Based on your Required Unit Resources, identify a case from the Sixth Amendment regarding speedy trial rights in which a court dismissed or rejected the case due to a failure to meet the requirements for a speedy trial. Further, provide a four- to eight-sentence synopsis of the case, and explain why it is important to have a speedy trial provision.