STRAND Immortal Syndicate Research encounter

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Randwolfe wrote:

All enemies killed, encounter complete, BUT no syndicate member dead/ready for interrogation and encounter not completing. Just stuck in a loop with all evidence still burning and nothing happening to enable completion or exit (other then original exit). Searched every room and opened every chest. Left, returned, still stuck in non-completion loop. Speak to Jun, told to enter.

Left map, returned (after selling items), still as if encounter incomplete. Might be related to it being the last research I need before safehouse level? Also, was able to complete the next challenge, and then received the "mission complete" and (seemingly) the needed research points for the safehouse mission.