Original sentence: Due to the almost complete annihilation of Botev's company, there were only a handful of eyewitnesses to his death who survived to the Liberation and left either memoirs or interviews.No credible evidence has been produced to date in support of any of these alternative theories
Edited sentence: Due to the almost complete annihilation of Botev's company there were only a handful of eyewitnesses to his death who survived to the Liberation and left either memoirs or interviews.No credible evidence has been produced to date in support of any of these alternative theories and it is highly unlikely that the future will unveil further hard facts