Chapter 21 - A Mysterious Package Arrives At Front Door

Late one quiet December night, while Noah and Daniel were fast asleep upstairs, a soft knock echoed against the front porch. Marcus walked down the hallway, opened the heavy wooden door, and found a small, unmarked black box resting on the mat.
There was no return address or postal stamp, only a silver wax seal stamped with an unfamiliar government intelligence emblem. Marcus brought the box inside, placed it on the kitchen island, and used a utility knife to slice through the tape.
Inside lay an old encrypted flash drive and a handwritten note in ink that made his blood run cold:
May you like
“Detective Vance, the underground lab on Route Nine was only a testing site... the main facility is still operational, and your brother was only the second patient.”
Marcus slowly raised his eyes toward the snow-streaked living room window as a pair of unmarked black SUVs crept slowly down the dark suburban driveway outside...