In December 1884, Austin became the stalking ground for one of America’s most vicious serial killers. Over the next year, “The Midnight Assassin” stalked women of all backgrounds, leading to more than a dozen arrests as police tried in vain to stop the rampage. This hour, we’ll talk about terror in the Texas capital with Texas Monthly’s Skip Hollandsworth, author of “The Midnight Assassin: Panic, Scandal, and the Hunt for America’s First Serial Killer” (Henry Holt and Co.).