Did she kill my fish?

Could be I guess...How have you been acclimating them and what are the good params ? (Just to exclude some potential other explanations)

yes, she is stressing your fish.

the correct way is to scoop up from underneath the fish with the net, and do not chase them around to death.

once in the net, the best way is to gently cup the net with your hand, cradling and supporting the the fish in the net as you bring it out of the water.

then turn your hand upside down over the bag and gently let the fish fall into the water. Opening your hand as you do this helps to cause the fish to gently fall into the open bag.

note: this does NOT work for venemous fish LOL

picking fish out of the net with fingernails digging in to them to grasp them is not good..

Taking a fish out of the net with the fingers=bad. Someone in her store that trained her(if they even did that) needs to show her the proper way to net a fish.

Marinemom

generally, you don't want to touch the fish. Improper handling will wipe off the mucus from the fish, possibly leading to secondary infection. That's why you should handle the fish with the net. Yeah, the girl is killing your fish.

Seriously, I'd go back and ask to speak to management on her behalf. Explain the situation, the fact that those fish's deaths were in no way your fault because you're doing things right on your end (and provide proof if you have to of this) and then tell him why she shouldn't be picking them up or touching them at all. Don't ask the management to reprimand. Be specific about that. Tell them she should be taught how to properly catch and release fish to alleviate as much of their stress as possible.

Maybe they will listen... maybe they won't. At the very least they will hopefully never ask her to assist you again. Sounds like the other workers do a better job anyway.

yeah that is stressful, how about maybe try to get a stone fish or lion fish from her and watch her try, but then i dont know what your gonna do with that fish.....