wincer. they are on edge. authorities now say there's a connection between two separate shootings that happened within about a month of one another and just five miles apart. our aaron mclaughlin has more. >> reporter: two random shootings. authorities now say are linked and fears in colorado there's a sniper on the loose. >> be vigilant. >> reporter: the warning came friday as police said new evidence to john jacoby to corey romero. police won't say how they are linked but they say the victims appear arbitrary. >> we have reason to believe the two victims know each other? >> there's no indication of that at all. >> reporter: in the touns of wincer, jacoby shot twice and killed white riding his bike. five miles away and a months earlier, romero was shot in the neck while driving. >> 911.