In which of the following excerpts does the writer try to gain credibility by referencing scientific studies?
A. The live lineup is a staple of modern-day police work in many
station houses, Chicago in particular. Anyone who has watched
police dramas on film television knows how it works.
O B. Thanks to a generation's worth of research, we know an awful lot
about the fickleness of memory. We know eyewitness accounts of
crimes are fragmented and suggestible. We know they're apt to go
from shaky to confident between the time a cop confirms a
witness's lineup choice ("You picked the right guy") and the start of
trial.
c. Newsome, who had never before been arrested, spent 15 years in
a rat-infested prison serving a life sentence. That's how long it
took for fingerprint technology to develop that would prove the
prints left at the scene by the killer weren't Newsome's. For five
.