Law and Order SVU 21×19 Promo “Solving For The Unknowns”

Law and Order SVU 21×19 “Solving For The Unknowns” Season 21 Episode 19 Promo – The SVU struggles to find a serial predator who uses a date rape drug that leaves no evidence behind. Rollins receives some good news. Guest starring Natalie Smith, Eddie Kay Thomas, Daniel London and Madison Ferris.