The locations of Harmony Clinic and the Larsson residence were in completely opposite directions. Jared speculated that at Felix's speed, there was no way he could make it to both places in time to save Laura.
So, once Felix made his move, he was certain to go to the Larsson residence. To guarantee the success of this plan, Jared threatened one of Andrew's subordinates with life or death, forcing them to block all signals in the area surrounding Harmony Clinic.
After all, Andrew held a high-r