Anonymous wrote:Can you send him a message --
Hi! I'm Allison's aunt. I've noticed you comment quite a bit on her posts and I wanted to introduce myself because you take quite an interest in her and I make a point to get to know all of her friends.
This lets him know he is being monitored.
Anonymous wrote:OP here - can you send someone a message if you are not their friend on FB?
Anonymous wrote:Sounds pretty awkward and uncomfortable to me. But 17 is plenty old enough to talk with your niece directly - no? Can you have a conversation with her about trusting her instincts and being careful to not let anyone take advantage of her?
And have you talked with your sister directly? I would be as concerned as you based on what you're describing.