Tyrant T-501 (chase)

Chapter: 12 · Side Street and Blackthorn Station
Where: The R.P.D., 1F and 2F: East Hallway, Press Room, East Stairway, Waiting Room, East Hallway 2F, Chief's Office and Private Collection Room.

Weak point

None: it can't be killed. Don't spend ammo.

A Connections T-501 guarding Zeno; its trench coat is a bulletproof power limiter. It shows up in the 1F East Hallway after you find Grace and smashes through walls to cut you off. All you do is run the right route.

Reward

Getting out of the R.P.D.

No documented differences between difficulties. It returns shortly as the Super Tyrant.

Step by step

East Hallway (1F): it appears after you find Grace. It follows you to the Press Room and the 1F East Stairway, but won't follow you up the stairs.
When it bursts through a wall, turn back, go through the hole and turn right. If it punches a new hole before you reach the far door, loop around it and use the new one.
Climb the collapsed staircase (it won't follow), jump the gap, turn left and take the door on the right toward the Waiting Room (2F): the Tyrant rams a helicopter tail through the wall (some guides describe it as a steel beam) and touching it is instant death. Quick-turn and sprint back toward the stairs; when it bursts in, duck into the Chief's Office (on the right per Game8; PCGamesN calls it the side room on the left).
It breaks through walls again in the 2F East Hallway and the Chief's Office: loop it around the rubble in the middle and go through the hole it made.
Go past the bear statue in the Private Collection Room and out.