The answer is. The lunch menu
1839. March - An uprising of Nacogdoches-area Tejanos who did not support independence from Mexico culminated in the Córdova Rebellion and its defeat at Battleground Prairie in Guadalupe County.
A grand jury is a panel of citizens called for service just like a trial jury (also called a “petit jury”) in a criminal or civil case. But a grand jury's function is different. A prosecutor presents evidence and the grand jurors decide whether it establishes that the accused probably committed a crime.
Answer is The Prosecutor (a .)