Last November I wrote a post about glue traps that was based on my personal views and experience. You can see my story about the little mouse I set free here: Humane Mouse Traps & My Personal Story.
What I left out is how extremely inhumane these devices are, for they literally fuse an animal's body on to the thick, sticky substance and upon immobilizing the animal, they leave the animal to die a slow, painful death either as their body deteriorates and weakens.
PETA, on their facebook page, posted this photo: "Glue traps are (obviously) indiscriminate and ensnare any animals who are unfortunate enough to wander across their path. If you know of any local businesses, schools, or property management companies that are using glue traps, urge them remove the traps immediately and contact PETA if they won't. http://bit.ly/iy20lp"
see the kitten story here.
If you see any businesses or property that uses glue traps, please raise your concern and if necessary, contact PETA via their Report Cruelty to Animals page: http://www.peta.org/about/contact-peta/report-cruelty.aspx
Last but not least, I recommend using humane methods for rodent problems, such as this one: