# 1970 Connecticut Attorney General election

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vte :
The 1970 Connecticut Attorney General election took place on November 3, 1970, to elect the Attorney General of Connecticut. Incumbent Democratic Attorney General Robert K. Killian was appointed to the office by Governor John N. Dempsey in 1967 to fill the vacancy left by Harold M. Mulvey, who resigned a year into his term to accept an appointment to the Connecticut Superior Court.
Killian was elected to a full term in his own right, defeating Republican nominee Donald T. Dorsey by 1,763 votes, a margin of just 0.17%. As of 2024, this was the last time the Attorney General of Connecticut was elected by less than a 5-point margin.

## Democratic primary
### Candidates
#### Nominee

* Robert K. Killian, incumbent attorney general (1967–1975)

## Republican primary
### Candidates
#### Nominee

* Donald T. Dorsey, candidate for state representative from the 78th district in 1966

## General election
### Results

1970 Connecticut Attorney General election :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Robert K. Killian (incumbent) | 529,898 | 50.08% | |
| | Republican | Donald T. Dorsey | 528,135 | 49.91% | |
| | Write-in | Write-ins | 36 | 0.00% | N/A |
| Total votes | Total votes | Total votes | 1,058,069 | 100.0% | |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |