E-Mail Messages, Their Content, and Metadata Can Provide Useful Evidence

Multiple Choice

E-mail messages, their content, and metadata can provide useful evidence in a lawsuit because

A) they can establish a timeline of who knew what and when.
B) people tend to converse freely and informally in e-mail messages, which may provide a "smoking gun."
C) they can be used to trace a message to its true originator.
D) All of these choices are correct.