Stalking is a crime under M.G.L. c. 265, § 43(a), where it is described as follows:
“Whoever (1) willfully and maliciously engages in a knowing pattern of conduct or series of acts over a period of time directed at a specific person which seriously alarms or annoys that person and would cause a reasonable person to suffer substantial emotional distress, and (2) makes a threat with the intent to place the person in imminent fear of death or bodily injury, shall be guilty of the crime of stalking. . . . The conduct, acts or threats described in this subsection shall include, but not be limited to, conduct, acts or threats conducted by mail or by use of a telephonic or telecommunication device or electronic communication device including, but not limited to, any device that transfers signs, signals, writing, images, sounds, data, or intelligence of any nature transmitted in whole or in part by a wire, radio, electromagnetic, photo-electronic or photo-optical system, including, but not limited to, electronic mail, internet communications, instant messages or facsimile communications.”