kelsie shelling became pregnant. donte lucas didn't want to have a baby. the prosecutors, their goal was to show that those text essages showed intent, showed that donte lucas consistently lied, not only to investigators, but to laura saxton herself. >> we know that's his phone, he admitted to those text messages, we know that's his thoughts and feelings about it. that's direct evidence. >> the movements of their phones pinging off cell phone towers in pueblo on the night of february 4th and february 5th. >> reporter: the prosecution has a few surprise witnesses, including donte's own mother. >> the one important thing that i've mentioned, she confirmed that donte was the last person left alone with kelsie. >> reporter: some of kelsie's friends testified, pointing towards possible domestic abuse by donte. >> the prosecution and even the defense made it clear that donte was using kelsie for a number of things. for her money. donte used kelsie for her apartment in denver. donte used kelsie for her car. and his argument was, she lets me do it. >> reporter: on