➡ From Child Welfare Information Gateway NJ:
US: What Is Old, Outdated, And Obsolete? (Opinion)
The Huffington Post – July 21, 2016
Answer: A Youth Prison. We’re using the mnemonic “locked up” to show some of these key characteristics of a youth prison. This article is the second in the series, Locked Up: What is a Youth Prison? One of those traits is that a youth prison is old, outdated and obsolete.
http://www.huffingtonpost.com/liz_ryan/what-is-old-outdated-and-_b_11083310.html