Councidences

[The Rookie Detective]

Le Grande getting himself involved with the Stride investigation, that included the shout of "Lipski!" and Le Grande's previous involvement in the investigation of the Lipski case a year earlier, that took place in the next street.

[The Rookie Detective]

Le Grande's apparent penchant for writing lots of letters in red ink, and some of the alleged Ripper correspondences being written in red ink and directly referencing the fact within the text itself.

[Wickerman]

Eddowes sometimes went by the name "Mary Kelly", the same name as the probable next Ripper victim.

This actually goes full circle Lewis.

Yes, Catherine Eddowes did go by the name Mary Kelly, but Mary Kelly had (we are told) previously been known as Mary Davis, and the next death, that of Rose Mylett, whose first name was Catherine, had also been known as Catherine Davis.