In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

What was formed in 1850 to help with policing?, Context: In the American Old West, policing was often of very poor quality.[citation needed] The Army often provided some policing alongside poorly resourced sheriffs and temporarily organized posses.[citation needed] Public organizations were supplemented by private contractors, notably the Pinkerton National Detective Agency, which was hired by individuals, businessmen, local governments and the federal government. At its height, the Pinkerton Agency's numbers exceeded those of the United States Army.[citation needed]
Pinkerton National Detective Agency

Who detained the parents?, Context: The AP reported that "The state-controlled media has largely ignored the issue, apparently under the propaganda bureau's instructions. Parents and volunteers who have questioned authorities have been detained and threatened."
The state

What has traditionally been called the "third use of the law"?, Context: On the other hand, Luther also points out that the Ten Commandments – when considered not as God's condemning judgment but as an expression of his eternal will, that is, of the natural law – also positively teach how the Christian ought to live. This has traditionally been called the "third use of the law." For Luther, also Christ's life, when understood as an example, is nothing more than an illustration of the Ten Commandments, which a Christian should follow in his or her vocations on a daily basis.

positively teach how the Christian ought to live