Wednesday television

"Criminal Minds" 9 p.m. CBS — A sniper terrorizing Dallas may be inspired by the Kennedy assassination.

"Law & Order: SVU" 9 p.m. NBC— A cop in a psych ward claims his former squad is corrupt.

"Modern Family" 9 p.m. ABC (100th episode) — Cameron struggles to find a way to tell his sister about his engagement.

"American Horror Story" 10 p.m. FX (third season debut) — A young girl discovers she has a strange genetic affliction.

"CSI" 10 p.m. CBS — The CSIs investigate a fire at a music venue.

"Nashville" 10 p.m. ABC — Juliette performs at a private party for a wealthy couple.

"Duck Dynasty" 10 p.m. A&E — The guys make duck jerky.