Complex sentence: However, local sensitivities were aroused after a caretaker at Roza Bal, who thought her theories about Jesus blasphemous, alleged that Olsson had attempted to exhume the tomb's contents and expressed concern that she intended to plant evidence; accusations that she denied.
Split into simpler sentences: However, local sensitivities were aroused after a caretaker at Roza Bal, who thought her theories about Jesus blasphemous, alleged that Olsson had attempted to exhume the tomb's contents. He expressed concern that she intended to plant evidence; accusations that she denied.