The Cleaner is an unmarked quest in Fallout 4.
The gang presence in Goodneighbor is at an all-time high. The Sole Survivor can help the situation by eradicating the Triggermen from the three warehouses.
- Talk to Whitechapel Charlie about the situation. Accept the assignment after optionally haggling for the price (up to 400 caps).
- Simple enough. There are three warehouses to clean out. Enter and sweep through them in a whirlwind of death.
- Return to Whitechapel Charlie.