10 years ago, Letitia Shakespeare and Charlene Ellis were shot dead outside a hair salon in Aston in Birmingham.
They were caught up in a revenge attack between gangs.
Detective Inspector Simon Wallis from West Midlands Police.
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More than 800 Shakespeare scholars from over 48 countries are gathering in Stratford Upon-Avon and London.
It comes as figures show there has been a rise in trespassing in the last three years across the West Midlands.
“He is thoroughly ashamed and was a very lonely man at the time he committed these offences"