Вопрос по английскому языку:

Помогите с английским!

Подчеркните инфинитивный оборот:

1. Identity of the burglar is known to be established in many ways.
2. Assaults are known to arise in many cases between people who are acquainted and in close proximity to each other.
3. The work of identification is known to include taking fingerprints, photographs, descriptions and measurements.
4. Identity proves to be best established when there are confessions, admissions or identifications by eye-witnesses.
5. The investigator wanted the criminalist to take pictures of the objects of the crime scene.
6. Homicide victims are likely to be photographed which is necessary for court prosecution.
7. The investigation is likely to produce good results.