Detroit:Become Human - Chapter 32: Battle for Detroit (Markus Revolution) - How does Simon get shot?

I have a query about unlocking a flowchart node in Detroit: Become Human.

I am not able to unlock a node in Chapter 32: Battle for Detroit (Markus Revolution) flowchart. How does Simon get shot?

Markus Revolution

Checkpoint: At the Crossroad

Approaching Recall Center

Reach Machine Gun
- Coordinate Attack
- Attack Unsuccessful
- Androids Have to Fall Back
- Simon Gets Shot (How to unlock this??)