Texting problems

[thesasser]

I have recently started having a problem with my texting. If I open the "all message" lists I will click on a contact and the previous messages will open. Then when I hit send it will send it to someone else. At first I thought maybe I just wasn't paying enough attention and was choosing the wrong contact. But it has started to send the message to contacts on my message list that you can't see until you scroll down, so i know I am not accidentally picking them. does any one have any ideas on why this may be happening? Thanks