What type of evidence includes information found in digital forms?

Digital evidence refers to any information stored or transmitted in digital form that may be relevant to investigations. This encompasses a wide array of data types, including computer files, emails, text messages, social media content, and data from electronic devices such as smartphones, tablets, and computers.

In a forensic context, digital evidence plays a crucial role in providing insights into criminal activities, as it can contain critical details about communication patterns, location data, and even actions taken by individuals. For instance, examining a suspect's email can help establish timelines or connections to events surrounding a crime.

Other types of evidence mentioned in the options, such as biological, physical, and circumstantial evidence, do not specifically pertain to data in a digital format. Biological evidence relates to organic materials like blood or DNA, physical evidence includes tangible objects or materials found at a crime scene, and circumstantial evidence refers to information that suggests a fact but does not directly prove it. Therefore, the choice highlighting digital evidence is clearly aligned with the focus on information in digital formats.