What characteristic is noted about the suspect described as being about 5 feet, 7 inches tall?

The characteristic of the suspect being noted as having a nose piercing provides a specific and distinguishable physical feature that can help law enforcement officers in identifying the individual. This detail can be significant during investigations or when sharing descriptions with the public as they assist in visually distinguishing the suspect from others who may match other aspects of the description, such as height or general clothing.

The other characteristics, such as wearing a white cap, having shoulder-length hair, or wearing sunglasses, may not be as distinctive or permanent as a nose piercing, which is a more unique feature and less likely to change over time or be easily disguised compared to items like clothing or accessories. Thus, a nose piercing serves as a more effective identifying mark in an investigative context.