milillo says there's a tiny fraction of the otherwise well behaved groups to watch out for. >> some go and have an intention to cause disruption and trouble. >> move back! move back! >> reporter: cleveland police used newly purchased bikes to good effect captain milillo bikes have been part of the philly police tool kit for years and will be again next week. >> we always use our mounted patrol in the back in case we need. to we want to get people out there in front. >> face to face eye level. >> face to face to show, get that human aspect part of it. >> reporter: cleveland police have called in reinforcements from all over the nation to create a massive presence that may well have tamed down the violence. he says philly will get help from the pennsylvania state police and the feds but will otherwise go it alone. there will be plenty of cops on the streets of philadelphia but as in cleveland the goal will be to interact with the public, to create conversation, not provocation. >> we don't want to look like we're at a standoff with the community which we're not. >> captain milillo cautio