Making waves in rio. Team usa dominated the olympic pool sunday. Michael phelps added gold medal number 19 to his collection his 23rd one overall for his part in the mens 4by100 relay. And 19yearold Katie Ledecky won her first gold in the 400 free. She shattered her personal record in the process. Both swimming sensations will be back in the pool again today. Our team in rio is busy bringing you the latest on all things team usa. Cheryl preheim and matt renoux you a little later this morning. Denver police plans to start collecting racial information on the people they come in contact with now. Thisfollowing complaints about a lack of accountability within the department. Chief robert white says recent protests over policeinvolved shootings of black men. Show the information is necessary to keep the public informed. One of the biggest races of the year in triathlete. A competitor in the ironman died on sunday in an accident. Now a small memorial pays tribute to her. 34yearold Michelle