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Police: One Dead in Arizona Shooting

  • People watch a women being taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)

    People watch a women being taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)

  • People are escorted back into an office building by a police officer, second left, after a shooting at the building, background right, in Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/Patrick Sison)

    People are escorted back into an office building by a police officer, second left, after a shooting at the building, background right, in Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/Patrick Sison)

  • SWAT police officers inspect the roof of an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)

    SWAT police officers inspect the roof of an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)

  • A woman is taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)

    A woman is taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)

  • This frame grab provided by abc15.com shows the scene at a Phoenix office complex where police say a gunman shot at least three people on Wednesday, Jan. 30, 2013. Officer James Holmes said the victims were taken to hospitals and did not know if their injuries were life threatening. (AP Photo/abc15.com) MANDATORY CREDIT

    This frame grab provided by abc15.com shows the scene at a Phoenix office complex where police say a gunman shot at least three people on Wednesday, Jan. 30, 2013. Officer James Holmes said the victims were taken to hospitals and did not know if their injuries were life threatening. (AP Photo/abc15.com) MANDATORY CREDIT

  • Police officers leave an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)

    Police officers leave an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)

  • People watch a women being taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)
  • People are escorted back into an office building by a police officer, second left, after a shooting at the building, background right, in Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/Patrick Sison)
  • SWAT police officers inspect the roof of an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)
  • A woman is taken to a paramedic truck from an office building where a shooter opened fire in north central Phoenix on Wednesday, Jan. 30, 2013. (AP Photo/The Arizona Republic, Michael Schennum)
  • This frame grab provided by abc15.com shows the scene at a Phoenix office complex where police say a gunman shot at least three people on Wednesday, Jan. 30, 2013. Officer James Holmes said the victims were taken to hospitals and did not know if their injuries were life threatening. (AP Photo/abc15.com) MANDATORY CREDIT
  • Police officers leave an office building after a shooting at the building in Phoenix on Wednesday, Jan. 30, 2013. A gunman opened fire at the Phoenix office building, wounding three people, one of them critically, authorities said. Police were searching for the shooter. (AP Photo/Patrick Sison)

Phoenix — A gunman opened fire at a Phoenix office complex yesterday, killing one person, wounding two others and setting off a manhunt. Police warned the public that he was “armed and dangerous.”

Authorities identified the suspect as 70-year-old Arthur Douglas Harmon, who they said opened fire at the end of a mediation session. They identified a man who died hours after the late morning shooting as 48-year-old Steve Singer.

Police said a 43-year-old man was listed in critical condition and a 32-year-old woman suffered non-life threatening injuries.

“We believe the two men were the targets. It was not a random shooting,” said Sgt. Tommy Thompson, a Phoenix police spokesman.

Thompson said authorities believe Harmon acted alone and fled the scene in a car after the 10:30 a.m. shooting.

Harmon allegedly shot at someone who tried to follow him after the shooting in an attempt to get his license plate number, according to authorities.

Police didn’t immediately release the names of the wounded. But a Phoenix law firm, Osborn Maledon, said one of its lawyers, Mark Hummels, was among the wounded. The firm said he “was representing a client in a mediation” when he was shot.

According to court documents, Harmon was scheduled to go to a law office in the same building where the shooting took place for a settlement conference in a lawsuit he filed last April against Scottsdale-based Fusion Contact Centers LLC, where Singer was the CEO.

The company had hired him to refurbish office cubicles at two call centers in California, but a contract dispute arose.

Fusion said Harmon was paid nearly $30,000 under the $47,000 contract. But the company asked him to repay much of the money when it discovered that the cubicles could not be refurbished, according to the documents.

Harmon argued Fusion hung him out to dry by telling him to remove and store 206 “worthless” work stations after the mix-up was discovered. Harmon said Fusion then told him that the company decided to use a competitor.

Harmon’s lawsuit had sought payment for the remainder of the contract, $20,000 in damages and reimbursement for storage fees and legal costs.

Pro tempore Judge Ira Schwartz, who scheduled the meeting, did not immediately return an email seeking comment. A message left Wednesday at the home of Singer also wasn’t immediately returned.

Hummels was representing Fusion in the lawsuit.

As police searched for the shooter, SWAT teams and two armored vehicles surrounded a home about 7 miles from the shooting scene. Police served a search warrant to enter the house, which county property records show was sold by Harmon to his son last year for $26,000.

For a time, officers used a megaphone to ask Harmon to surrender, believing he might be inside the home.