The killer had hacked the house’s climate control and the victim’s wireless pacemaker. By slowly raising the ambient temperature to an unbearable heat while simultaneously triggering a series of micro-electrical pulses through the pacemaker, the murderer had induced a "natural" cardiac arrest from three time zones away.
Valenti wasn't looking for a body. He was looking for a ghost.
As Valenti traced the IP address, he realized the script was still active. A progress bar on his screen reached 99%. The "invisible crime" wasn't just the murder—it was the automated deletion of the killer’s entire digital existence.
