The correct answer is I, II, and IV.
Here's a brief explanation of each statement:
I. True - Cyberbullying indeed uses electronic communication (such as social media, texts, etc.) to bully a person.
II. True - Cyberbullying is considered a crime in many jurisdictions and is subject to various laws.
III. False - Instances of cyberbullying can affect the digital footprint of the victim; any online harassment can lead to a lasting online presence.
IV. True - Cyberbullying can hurt real people, and while their reactions may not always be visible online, the emotional and psychological effects are very real.
Therefore, the true statements about cyberbullying are I, II, and IV.