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ALEXANDRIA, Va. (WUSA9) -- The murder of a music teacher is expected to be a topic of discussion at a community meeting Monday night in Alexandria.

Ruthanne Lodato was shot and killed Thursday as she opened her front door. Her mother's caretaker was also shot but survived.

Neighbors tell us they are trying move on, but admit it is awfully hard, especially when they hear their doorbell or a knock at the front door.

Police are looking for the man who knocked on Ruthanne Lodato's front door and killed the 59-year-old music teacher and church organist. We spoke to a former piano student, now in Italy, via Skype. "I would always see her and her family after church. Sometimes she would be playing, so I feel like there is a huge community lost with her passing," shared her former student.

On Sunday, parishioners came to pray for Lodato's family at Blessed Sacrament Church. Neighbors have left flowers and balloons and other items and tokens of remembrance outside of Lodato's home.

Police are revisiting an unsolved murder that occurred only a half mile away from her home. Ronald Kirby was shot and killed in November. In another unsolved murder, Nancy Dunning, a well known real estate agent and sheriff's wife, was shot and killed in the back of her home in 2003.

Police have released a sketch of the man they say may be responsible for Lodato's death. He is described as a balding white man with a full beard. He was wearing a suit at the time.

We spoke to a former FBI profiler about the possibility of a serial attacker.

"Not too many serial killers even. They are there to interact with the victims, sexually, physically, verbally or some combination. You have minimal behavior and that is something detectives will be looking at very carefully, " said James McNamara.

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