mrs. lovelace number three waited for the next trial in the alleged murder of mrs. velace number one, the judge ruled mrs. lovelace number two could testify against her former husband. and what a story she had to tell. >>> coming up -- erika, out of disguise and on the stand. recounting what she says was a marriage from hell. >> he ripped my shirt. and then he let me go and he tried to grab me again and i kept on trying to fight him off. >> when "dateline" continues. it's time for the biggest sale of the year on the sleep number 360 smart bed. can it help with snoring? i've never heard snoring. exactly. no problem. ...and done save 50% on the sleep number 360 limited edition smart bed. plus, free delivery when you add a base. ends monday. it's totally not the same without you. we miss your let's do this look, the sound of your laugh cry screams, and how you make every day here the best day ever. we can't wait to get you back so we've added temp checks, face coverings, social distancing and extra sanitizing to get the good times going again. it's time to roll out the