Crossovers.  1 A Dark Day is part one of a crossover with Chicago P.D. where an explosion occurs at Chicago Med, leading the fire and police departments to track down the culprits.  2 Nobody Touches Anything is part one of a crossover with Law & Order: Special Victims Unit and Chicago P.D. centered on a pedophile ring.
How long does alcohol stay in my system for a saliva test? Depends: Alcohol has an approximate detection time of 12-24 hrs,The detection time depends on the maximum level of blood alcohol content (BAC) which can vary. One serving of alcohol can be fully absorbed in the blood stream 30 min up to 2 hrs after intake. The body metabolizes aprox 0.25 oz per hour.
When it comes to urine tests, alcohol generally stays in urine for 12-36 hours, depending on how much was consumed, though some tests can detect the substance for up to 48 hours. The most advanced urine tests can detect a substance produced by the metabolization of alcohol for up to 80 hours after the last drink.