The inquest was reported in The Times of 24 Jan 1880 (the verdict having been given the previous day).
Verdict: "That deceased, Sarah Jane Roberts, died on the 7th of January, inst., in the township of Harpurhey, from the effects of a fractured skull, produced by violent blows inflicted by some person or persons unknown, and such person or persons wilfully and of malice aforethought murdered her; and the jry also find that the deceased was 18 years of age."