Derek pulled out the gun and checked that the safety was off and it was ready to fire. It still wasn't his weapon of choice, but he was glad he had it right now. If they could pick these guys off without getting too close, that was the safest option. Of course, there was also always the chance that bullets and arrows wouldn't take them down. That's why there was backup on the way.
A quick jerk of his head in the direction of a tree with better cover for Judith and he was off to his own hiding spot, keeping a close eye on her and her progress. Once they were both settled in and ready, he held up a hand and counted down using his fingers.
When he got to one, he took a deep breath and held it as he stepped out and opened fire on the chimera.