12 are a light red, but this would not be used to murder someone.)  However, Elle didnt need to be injecting a drug into Kiddos IV.  Basically, *anything* injected into a vein that wasnt created for  that purpose would kill somebody. Even some drugs that are safe to  inject into tissues could kill a person intravenously if the dosage  were changed. That red fluid could have been any number of liquids  drawn up into a syringe 