Typically speaking, using regular notebook paper and a single envelope, 4 to 5 sheets of paper can be mailed while staying under 1 ounce. The United States Postal Service charges one stamp per ounce...
Exculpatory Evidence: Typically used in criminal cases, this type of evidence is that which favors the defendant, either partially or totally removing their guilt in the case. In the United States, if the prosecutor or police have found evidence, it is their duty to disclose it to the defendant.
The term direct evidence refers to any piece of evidence that stands alone to prove an assertion. In other words, it provides direct proof of a fact and doesn't require any type of inference. The testimony of an eyewitness is the most common form of direct evidence likely to be presented at a criminal trial.