Jack the Ripper unmasked ?

Fascinating!  Could this is true?  I always take whatever the DailyMail has to offer with a huge pinch of salt. 

WORLD EXCLUSIVE: Jack the Ripper unmasked:  How amateur sleuth used DNA breakthrough to identify Britain's most notorious criminal 126 years after string of terrible murders
DNA evidence on a shawl found at Ripper murder scene nails killer
By testing descendants of victim and suspect, identifications were made
Jack the Ripper has been identified as Polish-born Aaron Kosminski
Kosminski was a suspect when the Ripper murders took place in 1888
Hairdresser Kosminski lived in Whitechapel and was later put in an asylum.....