Missing Beloved Black Pit with White Markings

He's black he's got a white streak on the back of his neck that's about 3 to 4 inches long but not very wide but it's like a little arrow you get a white tip on his tail he's a little wide under his neck and his chest he's a very friendly dog he's in full-blooded pit he's very with loved he's my support animal I got in my truck lost my fiance last year and he's been with me ever since and I'm missing very very much he's very hyperactive and pray for a martial law if he actually at people we are just talking to him because he thinks he's having a conversation please don't take that as aggression and hurt him I'm begging you anyone who sees this or anybody has seen him please notify me please