"No, you don't have any substantial evidence right now, and seeing someone in passing or merely having a fleeting encounter counts for nothing, and can't be pursued. But rest assured, I am slowly getting a handle on things, and I know where our next step in the investigation should be."
"Do you mean to say that you know what to do next about this matter?"
"Exactly, that's what I mean. So, you don't need to worry too much about this. I've got it under control. Besides, communicate with me more these days about grandma, and if there's no problem, she should be able to go outside and move around normally in seven days."
"Okay, I understand. You really have helped a lot this time. By the way, how are things progressing in the village?"