LINCOLN, Mass. -- Someone has been rigging Lincoln's scenic trails with potentially dangerous booby traps, endangering people who use the paths and possibly targeting horseback riders, police said.

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The pranks have targeted the trails near Sandy Pond and horseback rider Pam Dickinson said she's lucky she wasn't hurt while riding there recently.

Dickinson hit a wire that had been deliberately strung between two trees that caught her right in the chin.

"I would say if I was going at a faster pace, a couple of things could have happened. I could have been cut. I could have been unseated, thrown. I could have snapped my neck. Certainly, it could have spooked my horse if nothing else," Dickinson said.

The wire was thin, dark floral wire tied firmly between two trees along conservation trails and hung high enough to only hit someone on horseback.

Authorities are investigating 10 incidents on the trails since August.

"Someone has a grudge against horseback riders, that's the angle we are looking at. We have secured evidence from one of the scenes," Lincoln Police Chief Kevin Mooney said.

The town of Lincoln maintains miles and miles of trails for walking biking and horseback riding. The incidents of wires string across the paths have all taken place in the same area.

In several incidents, the wires were attached to mouse traps in an apparent effort to injure the rider and spook the horse as well.

Dickinson said riders have been using these trails for hundreds of years.

"I tend to believe it's a protest move. I am hoping this person that has been doing this doesn't understand how dangerous their actions could be," she said.

So far, no one has been injured. Lincoln police ask that anyone who has information call them at 781-259-8111.