MARIN COUNTY -- Authorities have suspended the search for a Menlo Park woman reported missing on Mount Tamalpais, while also ruling out potential LinkedIn activity since her disappearance.

Marin County Sheriff's investigators worked off-site with LinkedIn officials to determine whether 33-year-old software developer Magdalena Glinkowski had been active on her profile. One of her 90 contacts on the social networking site reported a change to her work experience Sunday morning, and said it had occurred since she went missing March 30.

By the end of the day, officials concluded that she had not logged on since the week before she went missing, Lt. Jeff Pittman said.

The search enlisted over 250 volunteers, eight to 10 search dogs and expansive use of rescue helicopters.

"We have just covered that whole mountain -- we've been on every trail, and have not gleaned any new clues or evidence," Pittman said. "We feel that we have reached a point where we've exhausted all of our probabilities of where to be searching right now."

Sheriff's officials are still actively investigating the woman's disappearance. They will continue to collect leads regarding where Glinkowski may have headed on the mountain, and probe the possibility that she may be somewhere else, Pittman said.

The 5-foot-7, 120-pound woman was captured on video surveillance in a parking lot known as Bootjack near the Pantoll Campground, wearing a bright pink pullover top, light blue shorts and white and black running shoes.


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Anyone with information about Glinkowski's disappearance is urged to contact the Marin County Sheriff's Investigations Unit at 916-473-7265.

Contact Erin Ivie at eivie@bayareanewsgroup.com. Follow her at Twitter.com/erin_ivie.