Count 2 of a civil complaint that accused Walmart of violating the Controlled Substances Act — by “knowingly” filling “ineffective” prescriptions from June 2013 to November 2017 — relied on mashup that combined the conduct of innocent pharmacists with the allegedly culpable knowledge of Walmart’s CSA “compliance team.”The Department of Justice acknowledged that the pharmacists were unaware of any “red flags” when they dispensed medications.But the government contends Walmart violated two sections of the CSA (21 U.S.C. Secs …