If you are watching for suspicious activity at your post, then the term surveillance is an appropriate word.

What is the act

of watching someone or something especially to prevent or detect a crime so your example becomes: I

came back to my

blog and continued my surveillance. I tried to stop, I looked up some objects and I came back to my report before I could make an arrest.

What are some good tips for a modern-day student whose grade is in a biceps.