Dr. Dirk Greineder

But as "Thomas Young," the doctor pursued his lust for pornography and prostitutes. Borrowing the name of a former schoolmate, Greineder even had a credit card under his alias that he used to pay for hotel rooms for trysts with call girls. Police also found numerous e-mails and other evidence that "Young" was on the prowl for sex on the Internet.

Born in Germany and raised in Lebanon, Greineder came to the United States in 1958 and became a citizen four years later. By that time, he had already earned his undergraduate degree from Yale University and was pursuing a medical degree from Case Western Reserve University in Cleveland. After finishing medical school in 1970, he completed residencies in New York and Maryland before moving to Boston and serving a fellowship at Robert B. Brigham Hospital. Over the years, he built up a successful practice and stellar reputation, becoming an associate professor at Harvard University and earning professional awards.

Mabel "May" Greineder

Known to her friends and family as "May," she married Dirk Greineder in 1968. Before being charged with her murder, her husband described her at a memorial service as someone with "an intense personal responsibility and commitment" and "ethical bearing."

Born in Colombia, she moved to New York in 1943 at age 2. She earned a zoology degree from Hunter College in New York before going on to teach nursing.

Though she gave up her career to raise her children full-time, Mabel Greineder was active in the Wellesley public schools where her children attended and gained a reputation as a community activist.

Britt, Colin and Kirsten Greineder

"I'm feeling outrage and I'm feeling frustration in a system, with a system that I feel has failed us, a system that we attempted to trust in and it has failed miserably with putting on trial and indicting an innocent man," Kirsten Greineder told reporters following her father's arrest.

All three children seem to be following in the footsteps of their father's professional success.

Kirsten, 29, is a graduate of Harvard Medical School. Colin, 25, is attending medical school at Yale University. Britt, 28, is the manager of a downtown Boston business.

"I never questioned as to whether my father was responsible for my mother's death. Never," Britt Greineder said in published reports. When questioned about his father's seedy double life, Colin said that his father has an explanation, one that will be revealed "at a later point in time."

But police say that Britt Greineder's initial reaction to her mother's death may show that even his daughter isn't as convinced as she may seem.

According to police, The middle child asked her father at the police station, "Did something happen between you and mom?"

Richard Grundy

Also prosecuting the case is Robert C. Cosgrove, 50, who earned his undergraduate degree from Capital University before obtaining his law degree from Suffolk University.

One of their colleagues who helped spearhead the investigation into the case was fired only weeks after a grand jury indicted Greineder for his wife's murder. Gerald C. Pudolsky, a veteran prosecutor was fired by Norfolk County District Attorney William R. Keating, but those reasons were not disclosed.

Martin Murphy

The 42-year-old defense attorney has been practicing law since 1983, the same year he graduated from Harvard Law School cum laude. Murphy, a native of Framingham, Mass., earned his undergraduate degree, summa cum laude, from Princeton University.

He is a member of the Boston and American Bar Associations and has authored journal articles on topics ranging from jury selection in criminal trials to white collar crime.