Monster Kill Squad 3 *Bad Idea and THE LOT #3 by Marguerite Bennet.
https://www.tfaw.com/bad300103-monster-kill-squad-3-of-4.html
Once upon a time, monster attacks were rare. A forest witch might murder a few hikers, a killer clown might eat a few children, or a malevolent ghost might drive a young couple insane just for the hell of it. But these events were scarce, easily covered up, and soon faded into campfire stories good for a laugh. But no one's laughing now. Over the past 90 days, cryptozoological attacks have increased a hundredfold, and the arcane has become everyday. Monsters of every shape and size strike at will, and the good, taxpaying folks of the US of A have had enough of this nonsense. Enter: THE MONSTER KILL SQUAD. A Government Unit of the most dangerous motherfuckers on the planet, the deadliest folks alive are here to put a bullet in the brain of everything that walks, crawls, flies, or hides in shadows. And if it doesn't have a brain, all the better — we've got a gun for that, too. Witches and wraiths. Demons and deadites. Goblins and ghosts. There have always been monsters. Now there are monster killers, and the MKS will kill it, and kill it good.
In 1970, legendary filmmaker Oliver Larsen began production on his latest horror masterpiece on the lot of Los Angeles’ famed Cloverleaf Studios. Obsessed with bringing authenticity to the genre, the director insisted on casting real-life occultists to perform a genuine Satanic ritual live on camera – until something went horribly wrong. In the bloody aftermath, the production was shut down, the footage was confiscated, and the soundstage was forever shuttered.
Until today.
On the heels of a promotion that’s just made her the youngest studio chief in decades, Aviva Copeland is planning to overhaul Cloverleaf’s fading image for the 21st century – starting with the prime piece of California real estate that’s gone unused for 50 years: the very same lost soundstage where Larsen filmed his doomed masterpiece. But, as Aviva will soon discover, this corner of the lot may have been closed for a half-century, but it’s far from empty…and the evil that lives within its haunted walls will soon seize its chance...