where (she was at the time of the murder),was of major convern to the pilice.
第一个was后面接的是where,表地点,可以用介宾从句= =不好意思 我没怎么看懂啊我想知道she was 后面怎么没有表语了= =好吧，，通俗一点用中文的表达方式是：To the police, at the time of the murder she was where, was of major convern.对警察来说，在谋杀发生的时候她在哪儿，是最关心的事情这种语序只是帮助你理解。。用英文语法看有些扯淡。。