coyote expert darren simpson traps troublesome critters. >> you see, old male. it's an alpha. these are the ones that usually do your killing. so what i'll do with this little guy here, is put him in a bag. >> reporter: simpson says this 6-year-old coyote has been trouble. it's killed pets. as well as its mate. >> these coyotes that eat pet, some have learned to' garbage and pet food can get quite large. coyote is a proficient animal. and small slow things attract them. >> small children are the public safety risk. >> coyotes are most active in the morning. this doverman pincher barely survived the coyote attack. >> i was so thankful that he wasn't killed. we kept screaming and screaming and they were going around in a circle. and i mean, it flashes through your mind, what if they got him to where he was really injured. >> reporter: he says another time a pack of coyotes tried to attack her while she was hiking with another dog. >> i got circled by six. she was on the lead and they circled me as i was trying to get out. >> just the old day my wife had two coyotes sprint at her