What statement about congressional representatives is true?
a: they focus on what is best for government.
b: they focus on constituents and what they need.
c: they are members of the upper house of congress.
d: they don't need to focus on reelection.

Well this is easier than i thought

answer: Police often ask eyewitnesses to identify a suspect from a lineup or an array of photos. A lineup or photo array involves placing a suspect or a photo of a suspect among people who are not suspected of committing the crime (fillers) and asking the eyewitness to identify the perpetrator.
Misidentification by eyewitnesses has played a role in a high number of wrongful convictions and has led criminal justice experts to look more closely at the effectiveness of identifying suspects from live and photographic lineups.