Yesterday I started hearing about the MS 13 "soupmaker" who dissolved people in acid. I am sure it's no coincidence that the date of Santiago Meza Lopez's arrest is in January of 2009 and the date the Standard Hotel dumped their 55 gallon drums of acid down the sewer drain is also January of 2009.
https://www.telegraph.co.uk/news/worldnews/centralamericaandthecaribbean/mexico/4343454/Mexican-hit-man-dissolved-300-bodies-in-acid.html
https://www.latimes.com/archives/la-xpm-2009-jan-31-me-standard31-story.html