Police believe it was an obsessive fixation that led to Dr. Julie Abbott's death.
Timothy McCloskey, the alleged shooter, was vying for Abbot's affections.
When she didn't give in, police believe McCloskey snapped.
Friday, police say McCloskey gunned down the 47-year old Abbott outside the building where she treated patients.
McCloskey allegedly met Abbott, his wife's employer, about a year ago.
"Her husband was writing letters and sending comments to this doctor seeking a somewhat of a romantic relationship with this doctor," Sgt. Gabe Trevino with the San Antonio Police Department said.
However, the interest was only one-sided and when Abbott didn't respond, love Letters quickly turned to bloodshed.
"The doctor was not reciprocating that same response to this particular suspect," Trevino said.
This tragic outcome is unusual, but the steps McCloskey allegedly took, are not.
Sam Houston State University professor Glen Kercher asked 701 random Texas adults last year if they had been stalked.
140 of them said they were victims.
"The definition of stalking refers to knowingly, willingly, committing a series of acts that are designed to instill fear in the victim," Kercher said.
The survey found those stalked received repeated or threatening phone calls, were spied on, or were waited for outside their home or work.
"He would call my friends and find out where I was going and show up wherever I was," one stalking victim said.
Cyberstalking has also become something to fear.
We searched for Cyberstalking on Google News and hundreds of results popped up. Most stories were about cases where cyberstalkers targeted popular networking sites like MySpace, Facebook and even YouTube.
These cases were reported, but the frightening reality is, many victims ignore a serious situation.
"We found that only about 43-percent of these crimes actually got reported to the police," Kercher said.
Here are some alarming statistics on stalking from the National Center for Victims of Crime:
-77 percent of female victims and 64 percent of male victims know their stalker.
-The average duration of stalking is almost two years.
-Weapons are used to harm or threaten victims in one out of five cases.
-If you think you are a victim of stalking, contact your local police department.
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