. >> brian parteka and sharon lobermeier were out early tuesday morning paying tribute to a neighbor they called a gentle giant. 44-year-old michael patton was gunned down inside the tavern he owned monday afternoon. >> he was our friend, and he was very well-liked. he was a very nice man. he would do anything for the neighbors say patton is not normally at the bar in the early afternoon. >> was a matter of being in the wrong place at the wrong time, or people knew he would be here? i don't know. >> michael patton's family did not speak on camera, but told 12 news they're looking for answers too. and some other business owners say they're fearful they could be next. >> we have no clue what is going on at this time, it's our hope we can all work together. somebody knows what happened. somebody should say someg. if you have any information, you're asked to pass it along to police, even anonymously if you have to. in all, there were four homicides in a 24 hour period in milwaukee. the mayor says he doesn't want to see crime anywhere in the city. >> everyone appeared to be separate, and everyone appeared to be senseless. people are so