Sec. 7. (a) Except as provided in subsection (b), a lineup conducted by a law enforcement agency, or an employee of a law enforcement agency, shall be conducted in accordance with this chapter.
(b) If it is impossible or impracticable to follow the procedures set forth in this chapter, a law enforcement agency may conduct a lineup using an alternative procedure approved by the law enforcement training board.
(c) Failure to comply with any of the requirements of this chapter, or, if applicable, an alternative procedure approved by the law enforcement training board, is admissible to support a claim of eyewitness misidentification, if the evidence is not otherwise inadmissible.