tom alvarez makes a point to check in wi >> all right, guys, let's wind up over here. >> reporter: then he gathers up the rk crew for their toolbox talk. >> we asked, keep your eyes and ears open. >> reporter: he is the safety manager at rk. yes, safety as in not getting injure accidentally, but he is also determined to make sure his workers do not intentionally hurt themselves. >> we had an employee that works for us, and he had been going through some issues at home. home one night and committed suicide. >> why did rk decide to do this? >> reporter: back then, alvarez thought that colleague was changing his career. no one at rk recognize warning signs of suicide. but that has changed over the last two years. >> we are changing our culture. >> reporter: as rk faces the fact that construction is the number two industry when it comes to suicide among the workforce. now, symptoms of depression. >> if you see somebody on the job, maybe 10 years ago, he would write them up when they get in the next morning for not showing up at work. we have changed our culture. what is going on in your lif

. >> tom brady has serving his suspension with honor at the number four michigan made 17 and 1/2. they beat them 45 28. boxers so little alvarez is expected to buffalo through opponent smith. i will have highlights tonight evan 11:00 p.m.. last night he defects faced in the final in his background smith takes on real chaplain. over him right. skylar saw. went on to win a majority decision and did a little dance. after showing him the canvas. he is known to be a defensive fighter. very offensive as it takes to the body should be i'm really good at war. i love war in a certain way. including with nukes, yes including with nukes. i know more about isis than the generals do, believe me. nuclear, just the power the devastation, is very important to me. i want to be unpredictable, unpredictable, unpredictable, unpredictable. >> >> anchor: before we conclude, we want to update you in the breaking news out of new york that we have been following. new york mayor said there is no reason to think the explosion in chelsea neighborhood had a terrorist connection. intentional act. >> anchor: the mayor said there is no connection to the pipe