Age: 21 When: Jan. 29 How: Shot Status: No arrest Occupation: Mover, Comcast worker. Lived: Dedham with mother, three sisters, and brother

Age: 41 When: Jan. 31 How: Stabbed Status: One arrest Occupation: NA Lived: NA. Originally from Guatemala

Age: 27 When: Feb. 1 How: Shot Status: One arrest Occupation: Served in Army, meatpacker for Cambridge Packing Lived: Dorchester with his mother

Age: 32 When: Feb. 4 How: Shot Status: No arrest Occupation: Unemployed, had heart condition. Lived: Cambridge with his mother

Age: 17 When: Feb. 2 How: Shot Status: No arrest Occupation: Student at Hyde Park High School Lived: Mattapan with mother and family friends

Age: 43 When: March 6 How: Shot Status: One arrest Occupation: Plumber Lived: Charlestown with his sister, brother-in-law, two nephews, 7 and 9

Age: 4 When: March 6 How: Beaten Status: One arrest Occupation: NA Lived: Dorchester with his foster mother

Age: 73 When: March 14 How: Beaten, strangled, heart attack Status: No arrest Occupation: Retired Lived: Roxbury with his grandson

Age: 25 When: March 16 How: Shot Status: No arrest Occupation: Comcast installer Lived: Roxbury with his mother

Age: 18 When: March 18 How: Shot Status: One arrest Occupation: Student at Jeremiah Burke High School Lived: Dorchester with his mother

Age: 19 When: March 18 How: Shot Status: No arrest Occupation: Assistant chef at Marian Manor Nursing Home Lived: Dorchester by himself

Age: 35 When: March 19 How: Stabbed Status: One arrest Occupation: Suffolk County corrections officer Lived: Dorchester

Age: 30 When: March 19 How: Shot Status: No arrest Occupation: Custodian at Wee Care day care in Jamaica Plain Lived: Roxbury with his sister

Age: 18 When: March 31 How: Shot Status: One arrest Occupation: Student at Hyde Park High School Lived: Dorchester with his brother

Age: 27 When: April 2 How: Stabbed Status: No arrest Occupation: Cook in Vietnamese restaurant Lived: East Boston with brother and friends

Age: 18 When: April 2 How: Shot Status: No arrest Occupation: GED student Lived: Roxbury with his grandmother

Age: 26 When: April 20 How: Shot Status: No arrest Occupation: Day laborer Lived: Mattapan with his brother

Age: 36 When: April 29 How: Shot Status: No arrest Occupation: Graphic designer and construction worker Lived: Jamaica Plain by himself

Age: 69 When: April 30 How: Stabbed Status: One arrest Occupation: Retired mailroom worker Lived: Dorchester

Age: 24 When: April 30 How: Stabbed Status: No arrest Occupation: Worked at Marshalls at South Bay Center Lived: Dorchester with his mother

Age: 40 When: May 10 How: Stabbed Status: No arrest Occupation: Actor at Museum of Science; massage therapist Lived: Dorchester with his partner

Age: 19 When: May 15 How: Stabbed Status: One arrest Occupation: Floor sander, tiler Lived: South Boston with his girlfriend

Age: 97 When: May 26 How: Beaten Status: No arrest Occupation: Retired Lived: Jamaica Plain by herself

Age: 22 When: June 11 How: Stabbed Status: No arrest Occupation: Assembly line worker Lived: Revere with his mother, father, and two sisters

Age: 39 When: June 11 How: Stabbed and beaten Status: One arrest Occupation: LukOil attendant; college student Lived: Dorchester with her family

Age: 23 When: June 16 How: Shot Status: No arrest Occupation: Artist Lived: Dorchester with his mother, two sisters, and cousin

Age: 16 When: June 23 How: Stabbed Status: No arrest Occupation: Charlestown High School student Lived: Charlestown with mother and father

Age: 28 When: June 24 How: Stabbed Status: No arrest Occupation: Unemployed Lived: Dorchester with his father

Age: 19 When: June 28 How: Shot Status: No arrest Occupation: Meathandler at a Norwood warehouse Lived: Roxbury with his mother and father

Age: 17 When: June 29 How: Stabbed Status: No arrest Occupation: Student Lived: Dorchester with his grandmother

Age: 22 When: July 6 How: Stabbed Status: No arrest Occupation: Carpenter Lived: Dorchester by himself

Age: 28 When: July 7 How: Shot Status: No arrest Occupation: Construction worker Lived: Brockton

Age: 20 When: July 7 How: Shot Status: No arrest Occupation: 2005 Graduate, South Boston High School Lived: South Boston with his mother and brother

Age: 65 When: July 9 How: Shot Status: One arrest Occupation: NA Lived: Roxbury

Age: 60 When: Body was found on July 15 How: Shot Status: One arrest Occupation: Retired painter and laborer Lived: Roxbury by himself

Age: 20 When: July 15 How: Shot Status: No arrest Occupation: Student at UMass- Amherst Lived: Hyde Park with mother, two sisters, 14 and 16

Age: 27 When: July 16 How: Shot Status: No arrest Occupation: Student Lived: Charlestown with two daughters, 2 and 10

Age: 34 When: July 21 How: Stabbed Status: One arrest Occupation: Truck loader Lived: Dorchester with wife and two sons, 11 and 7

Age: 9 months When: July 21 How: Killed when her mother, who held her, jumped off a building Status: Case closed Occupation: NA Lived: Downtown Boston with her mother and father

Age: 19 When: July 22 How: Shot Status: No arrest Occupation: Worked at a Foot Locker in Dedham and at a Dorchester cleaning company Lived: Mattapan with his father, brother, and his father’s fiancee

Age: 19 When: July 23 How: Shot Status: No arrest Occupation: About to enter William Paterson University Lived: Dorchester with mother, brother, grandmother

Age: 37 When: Aug. 5 How: Shot Status: Warrant issued for suspect Occupation: Handyman Lived: Brockton with wife and children

Age: 24 When: Aug. 13 How: Shot Status: No arrest Occupation: Cook at Chili’s in Braintree and rap artist Lived: Dorchester with his mother

Age: 27 When: Aug. 14 How: Shot Status: No arrest Occupation: Held various jobs, including telemarketing Lived: Dorchester

Age: 19 When: Aug. 22 How: Shot Status: No arrest Occupation: Student at New England Institute of Art in Brookline Lived: Dorchester with his mother

Age: 31 When: Aug. 25 How: Stabbed Status: Suspects arrested Occupation: Cab driver and student Lived: Cambridge with his father

Age: 40 When: Aug. 30 How: Beaten Status: No arrest Lived: Homeless, spent time at the Pine Street Inn Occupation: NA

Age: 42 When: Sept. 17 How: Shot Status: No arrest Occupation: Harvard Extension School student, salesperson Lived: Dorchester, with her pets

Age: 18 When: Sept. 18 How: Shot Status: No arrest Occupation: Student at Brockton High School Lived: Brockton

Age: 19 When: Oct. 1 How: Shot Status: One arrest Occupation: Unemployed Lived: Mattapan with his aunt and cousin

Age: 20 When: Oct. 2 How: Stabbed Status: No arrest Occupation: Construction and masonry laborer Lived: Lowell with two roommates

Age: 27 When: Oct. 3 How: Shot Status: Suspect identified, alleged shooter is dead Occupation:Electrician Lived: Revere with his dog, Oscar

Age: 40 When: Oct. 5 How: Shot Status: No arrest Occupation: Worked various jobs Lived: Mattapan with his mother

Age: 18 When: Oct. 9 How: Shot Status: No arrest Occupation: Customer service at Valvoline; student Lived: Dorchester with his sister

Age: 68 When: Oct. 13 How: Heart attack, fatal injuries during mugging Status: No arrest Occupation: Check imager Lived: South Boston by herself

Age: 32 When: Oct. 16 How: Fatally punched Status: One arrest Occupation: Worked at Boston radio station Lived: W. Roxbury with roommates

Age: 18 When: Oct. 22 How: Shot Status: No arrest Occupation: Worked at Home Depot in South Bay Center Lived: Jamaica Plain

Age: 37 When: Oct. 21 How: Shot Status: No arrest Occupation: NA Lived: Homeless; spent time at park in South End’s Blackstone Square

Age: 65 When: Nov. 4 How: Stabbed Status: One arrest Occupation: Retired doctor Lived: Symphony area by herself

Age: 25 When: Nov. 13 How: Shot Status: No arrest Occupation: Food services at Bayside Expo Center Lived: Hyde Park with his mother and two brothers

Age: 20 When: Nov. 14 How: Shot Status: No arrest Occupation: Stockman at Save-A-Lot in Roxbury Lived: Jamaica Plain with his father

Age: 17 When: Nov. 14 How: Shot Status: No arrest Occupation: Student, Madison Park Technical Vocational High Lived: Dorchester with father

Age: 23 When: Nov. 21 How: Shot Status: No arrest Occupation: Unemployed Lived: Roxbury with his mother

Age: 17 When: Nov. 22 How: Shot Status: No arrest Occupation: NA Lived: Roxbury

Age: 17 When: Nov. 29 How: Shot Status: No arrest Occupation: Student, Jeremiah Burke High School Lived: Roxbury with sister, nephew, and two nieces

Age: 17 When: Nov. 28 How: Shot Status: No arrest Occupation: Student at English High School Lived: Mattapan with his mother

Age: 23 When: Sept. 22 How: Electrocuted Status: One arrest Occupation: Self-employed Lived: Dorchester

Age: 21 When: Dec. 13 How: Shot Status: No arrest Occupation: Worked at Wendy’s and as a musician Lived: Dorchester with his stepfather and his mother

Age: 22 When: Dec. 13 How: Shot Status: No arrest Occupation: Videographer for cable company Lived: Wakefield

Age: 21 When: Dec. 13 How: Shot Status: No arrest Occupation: Music student Lived: Boston by himself

Age: 19 When: Dec. 13 How: Shot Status: No arrest Occupation: Construction worker Lived: Reading with roommates

Age: 23 When: Dec. 18 How: Stabbed Status: No arrest Occupation: Student at North Shore Community College Lived: Salem with mother and father

Age: 35 When: Dec. 25 How: Shot Status: No arrest Occupation: NA Lived: West Medford

Rodd Hunt Age: 26 When: Dec. 28 How: Shot Status: No arrest Occupation: Worked at a local Winston Flowers Lived: On the South End-Roxbury line

Note: Police have said that a female whose skeleton was found in a chimney in Dorchester in October was the victim of a homicide, but have yet to identify the victim or determine the circumstances of her death.