evidence: Electronic surveillance involves watching or monitoring a person’s actions or conversations without his/her knowledge or consent by using one or more electronic devices or platforms. [...] It depends on whether the person doing the recording is part of the activity or conversation and, if so, if state law then allows that recording. In most circumstances, what is generally referred to as "spying," meaning someone who is not a part of your personal/private activities or conversations monitoring or records them without your knowledge, is usually illegal. The differences between these two are explained more below. [...] There are various laws that an abuser may be breaking by electronically surveilling someone or by recording someone’s private conversation without their consent.