County sheriff's police testified that he and several LCMEG agents met Parker in Libertyville at a sheriff's police substation at about 2 p.m. on the afternoon of January 30, 1988. Semenek searched Parker at this time and found no controlled substances. According to Semenek, Parker was directed to undo and drop his pants prior to the search. Semenek also searched the front seat, passenger's seat, glove compartment, and trunk of Parker's car. He found no controlled substances or money during this search. The agents then gave Parker $900 in prerecorded currency.

Parker then began driving toward Barrington. Semenek and LCMEG Agent Nugent followed him in one vehicle while LCMEG Agents Hunter and Heidecke followed him in another vehicle. Parker stopped near the intersection of routes 60 and 83 inThe symptoms of dry eye disease include the sensation of grit in the eye, frequently accompanied by itching, burning and visual disturbance. The causes are poorly understood.

The researchers base their findings on almost 4000 women aged 20 to 87 (average age 57) from the TwinsUK cohort, drawn from the registry held at St Thomas' Hospital in London.

This cohort is widely regarded as representative of the UK general population, and has been used to look at a wide range of diseases and genetic traits over the years.

The prevalence of dry eye disease, and the frequency and severity of symptoms, were assessed through questionnaires mailed out to the women.

At the same time 681 randomly selected twins from the cohort, who were taking part in a subsidiary study on pain, supplied