article_snippet.sent: An identical twin whose sister was murdered by whose sister stalker ex-boyfriend has revealed whose sister wishes whose sister had done more to save whose sister.
article_snippet.sent: Grieving Nikki Thomas, from South Wales, says whose sister wants to turn back the clock and tell Jenna that whose sister didn't have to 'put up' with whose sister former partner's obsessive behaviour, including bombarding whose sister with hundreds of calls and texts a day.
article_snippet.sent: Scroll down for video .
article_snippet.sent: Nikki Thomas appeared on This Morning to tell how Nikki Thomas was murdered by whose sister obsessive ex .
article_snippet.sent: whose sister told presenters Phillip Schofield and Amanda Holden how Jenna had started a relationship with Packer, who was 28 years older than whose sister was, when whose sister was a teenager.
article_snippet.sent: But shop worker Jenna found Parker, a nightclub doorman, could be obsessive and controlling so whose sister eventually ended Parker, a nightclub doorman relationship.