unidentified drug analysts

The witness explained that a record of the total mass of the drug exhibits must be kept in order for analysts to accurately establish quantities, and samples alone are insufficient for this purpose.

“I told him it was essential to have a record of the total mass of the exhibit and if the exhibits are going to be destroyed, the analyst will not be able to establish the total mass of the exhibits that were seized ... the analyst would need all the exhibits and ... cannot determine the total mass with the use of the samples”