India, June 19 -- Karen Read was acquitted of second-degree murder and manslaughter charges in her retrial for the death of her boyfriend, Boston police officer John O'Keefe, in 2022. The 45-year-old was, however, convicted of operating under the influence of liquor (OUI), a lesser included offense under the manslaughter charge.

OUI, or Operating Under the Influence, in Massachusetts refers to driving a motor vehicle while impaired by alcohol or drugs, with a blood alcohol content (BAC) of 0.08% or higher, or while visibly impaired, per Massachusetts General Laws.

In Karen Read's case, the OUI conviction relates to her driving on the night of O'Keefe's death, with her BAC estimated at 0.09% hours later, though the defense argued she con...