The word civilian usually means non-military persons. This includes middle-aged female prostitutes, which were in fact the targets of JTR. and he didn't want to risk getting caught without damaging the society.
Fridays
Annie Chapman
It is presumed 'Jack' used a knife.
Jack killed 30 September 1888.
30 Sept. 1888
Catherine Eddowes.
As far as we know - yes.Yes he did
A guys called Jack The Ripper
midnight
If you mean Jack the Ripper, he killed his victims with a knife, cutting the throats of women and then cutting out vital organs.
Mary Jane Kelly.
On Friday, 7th September 1888, Annie Chapman became the second victim of Jack the Ripper. The estimated time was 4.30 am or before.