this is my first ever Criminal Minds fanfic so bear with me please

As a dark haired man came up behind the blonde haired woman he smiled knowing that she would automatically be missed by her colleagues and another woman on her team who he had despised, he knew the connection that the two women had, he was going to tear away Emily Prentiss's world part by part. JJ turned her head slightly when she felt someone behind her, but before she could see the person behind her a hand came over her mouth and she was automatically cut of from her voice, she started panicking trying to kick and punch her attacked but before she got to far the man talked

"you don't stop moving right this second, Emily Prentiss will die, get that?" his voice like acid and he spoke the panicked blonde who nodded her head, her blonde eyes wide as she let her body stop resisting the man "Good girl, now you are going to come with me without a hassle, give me your phone, gun and credentials now" he said as JJ grabbed her phone out of her pocket and held it out grabbing her gun from its holster and her credentials from her other pocket that held her phone

"Good now give me the gun and credentials" said the man as he took them off her, hearing the click of her gun as it was ready to fire she dropped her head

"Don't think that it is that easy, Jennifer, pull the battery out of the phone and then hand it to me" said the man as she slowly pulled the battery out and held it on her palm behind her

"Good now, you scream or struggle I will not only torture you but also kill Emily Prentiss and that brat of a child of hers" said the man, before JJ could stop the words they had left her mouth

"Emily doesn't have a kid" she said loud enough for the man to hear but nobody else

"Oh, I guess she hadn't told you about her, yes she does have a child I should know I was the one who raped her to have that child" said the man, JJ shivered no wonder she didn't know about the small girl, it made sense in JJ mind, Emily had always gone the extra length in a case with a child being involved.

"Now walk towards that alley way" said the man, JJ looked around hopping for an escape root but there was nobody, that's what you get when you go for coffee in the middle on the night JJ she said internally as she walked towards the alley, the smell took over her sense's the foul smell of rubbish and small animals that had died in there, as JJ got into the alley the man talked again, JJ finally letting herself judge the position she was in smelt the sweat mixed with dirt that wafted off his body, as a firm landed on her arm and the cold metal coming into contact against her temple he pushed her towards a steel door that looked secure enough that if someone bashed against it for hours nobody would be able to hear or move the door, a small tear slid down her face, knowing that this man was prepared to kill her, Emily and Emily's daughter, and had raped Emily she wasn't going to take anything for granted as she thought about a way out suddenly a large amount of pain was felt on the back of her head as he body went limp as the man smiled already setting out the next hours in his mind

please review to tell me what you think of my story and how I can improve it since I have only ever written fic's ffor an Australian TV show