New Information on Gunman Who Killed 'The Voice' Singer Christina Grimmie

The shooter allegedly traveled two hours to Orlando with intent to kill the singer, according to police.
4:47 | 06/17/16

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Transcript for New Information on Gunman Who Killed 'The Voice' Singer Christina Grimmie
Christina grimmie, the world is remembering "The voice" star after ha tragic shooting at her concert. Mara schiavocampo has the latest on the investigation. Good morning to you. Reporter: Amy, good morning. Grimmie's funeral being held tonight near her hometown in new Jersey. This as police continue to learn more about her killer and try to piece together a motive. The big unanswered question is still why? ♪ Make a change ♪ Reporter: She was a rising pop star. ♪ Reporter: Unexpectedly gunned down. This week, hundreds gathering at a vigil for former "Voice" contestant 22-year-old Christina grimmie, killed in a senseless shooting last week. I'm at great peace. She's in a better place. Reporter: New information about the shooter, 27-year-old Kevin loibl, police say he traveled two hours to Orlando with the intent to kill the singer. ♪ Oh baby ♪ Reporter: The up and coming singer was fatally shot at a meet and greet after this performance in Orlando Friday night. The four gunshots were pop, pop, pop, pop. I was traumatized. Reporter: Without warning loibl who was armed with two guns and a knife shot grimmie. When her brother tackled him to the ground police say loibl then shot and killed himself. It's going to be two patients. The female patient and the shooter. ♪ I came in like a wrecking ball ♪ Reporter: Even before she went on "The voice" -- What is up? Reporter: Grimmie was an internet sensation. ♪ Reporter: More than 5.5 million people watching her cover of Adele's "Hello ♪ ♪ hello from the other side ♪ Reporter: This was her last post. I'm a huge fan of doing fund-raisers. I'm a huge fan of giving back in general. of her death Justin Bieber and Selena Gomez -- I'd like to dedicate this to Christina grimmie. Both breaking down in tears while performing tributes to grimmie. ♪ When I look into your eyes ♪ Reporter: Adam Levine her coach on "The voice" tweeting he was, quote, absolutely devastated and heartbroken. A go fund me page set up by grimmie's manager has now raised almost $180,000 and that will go to the family. This has been such a tough week for Orlando. The venue where grimmie was killed is just a few miles from pulse nightclub. Amy. It was tragic in some ways for so many people. Mara, thank you. We want to turn ABC news chief legal analyst Dan Abrams for more. We've obviously seen stars like John Lennon, Rebecca shaver and Christina grimmie who have been killed by obsessed fans but in this case were there any warning signs that this guy was following her. There may have been some signs with regard to conversations that he had with colleagues but nothing where the law can step in because when you're talking about stalking laws you need actual conduct. You need him to have followed her, particularly if it happens repeatedly. Harassed her for the law to step in. Just someone saying in retrospect, for example, oh, you know, he used to talk about how obsessed he was with her all the time you can't really get the law involved at that point. There was to paper trail. He had no apparent arrest record in relation to her at all. Yeah, look, there are ant anti-stalking laws on the books. This is taken seriously by the authorities in the wake of sadly incidents like this having happened before. I mean the LAPD has a whole unit devoted to stalking of celebrities. Speaking to that, I mean, stalking is a big issue for celebrities and noncelebrities alike but even with the stalking laws in place how difficult is it to enforce? It's really important to think about it. This is a big domestic violence issue. You see it a lot in domestic violence cases ex-boyfriend, husband, wife, can stalk the ex and the challenge is after someone reports it how do you then enforce the requirement to stay away? That's where some people get very frustrated with the system where they say, I reported it, there was a warning and we couldn't do enough to stop it. So, look, it's just really important to stay focused on these laws and it's a really good thing that people now recognize around the country how much of a risk there really can be. Dan Abrams, we appreciate it. Thanks so much.

This transcript has been automatically generated and may not be 100% accurate.

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