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...
There are several types of evidence that may be used in a court setting. Evidence can be direct or circumstantial. Direct evidence is the items in a court case that can be seen or certain types of eyewitness testimony. Circumstantial evidence is usually a series of events or characterization that implies guilt. All the facts that are collected for a court case are tied together to help a judge or jury make a decision to convict or not to convict someone on trial.
One of the most reliable forms of evidence in many criminal cases is in our genes, encoded in DNA (deoxyribonucleic acid). DNA evidence can be collected from blood, hair, skin cells, and other bodily substances. It can even be used to solve old crimes that occurred prior to the development of DNA-testing technology.