I would like to introduce you to the principle of dual use. However I imagine you are already familiar with it. Surely you do not consider nmap and gdb to be criminal tools? Was ARPANET a war toy? Is GPS a handy location service for civilians or nuclear warriors?

In order to drive the nail home[^1] in the instant case here are some references for drones and anti-poaching:

Elephants and rhinos benefit from drone surveillance: http://www.newscientist.com/article/dn25056-elephants-and-rh...

Google gives $5 million to Drone Program That Will Track Poachers: http://www.theatlantic.com/technology/archive/2012/12/google...

[^1]: How do you classify the hammer: carpenter's best friend or murderer's skull bludgeoning tool?