Mercury theatre, Colchester The targets of the infamous 17th-century 'witchfinder general' narrate a powerful play based on AK Blakemore's novel 'It does not matter what is true," a teenager tells us after giving a testimony of witchcraft against a group of women including her own mother. What matters, she says, is "what is written down". It is advice passed down to Rebecca (Lucy Mangan) by her indomitable mother, An…
