She was a risk for revealing the Immortal society to the human world or alerting the demons as to where Kris's strongholds were.
And in a coming section on robotics, we will discuss the molecular machines called nanites—tiny, molecular-sized robots that will swim around in your body fighting disease, repairing damage, and alerting you to problems (and will likely dramatically increase the human lifespan).
Without alerting him, she went to the garage and searched her car.
How would you define alerting? Add your definition here.