POLK COUNTY, Fla. – Murder suspect Enrique Martinez is in custody, according to Polk County Sheriff Grady Judd. Just after 4:00 pm on Tuesday, deputies spotted Martinez “casually walking down the sidewalk” just north of Eagle Lake, said Judd. “Our detectives, who were stalking him hard, were shocked that all of a sudden here, he appeared just wandering down the sidewalk. But there was a reason for that. We had put so much pressure on his friends and his family, we made several arrests of people who had harbored him or transported him to get him away from us, that he was too hot to handle for e…