By CBS Bay AreaMo Alhakim has owned and operated his cafe in San Francisco’s Mid-Market corridor for over a decade. Alhakim showed us video he took just two days ago as he arrived to open his shop. Now, after three shootings in less than a week, all within a three-block radius of Market Street, San Francisco police are increasing their presence in the area. When people think of San Francisco, this is the neighborhood they think. But for business owners in the area like Alhakim, it’s all about what happens after the added police presence leaves.