BPD shocked youngins carrying guns

[free]

No obvious tunnels under Longwood itself.
Between two buildings on the same side of Longwood, eminently plausible.

Surging down the Riverway to get to the Acapulco in JP
I got the impression that there was stuff over on my left,
but thank God I haven't gotten to learn about the area first-hand.

Yes good points. I am referring to buildings on the East side of Longwood. Two DFCI buildings.