here's abc's john donvan. >> reporter: okay. so, you've seen celebrities do it.ies. and athletes. and a president. even puppets are doing it. and you know why. social networks. one wet head challenges another. >> i challenge -- >> i nominate -- >> nominate -- >> i challenge you -- >> reporter: results, whole chains. but what is it, really? everyone knows it's for a.l.s., the rare disease. three letters that never had this much visibility before. but anthony carbohal, when he took the challenge himself, had a different idea in mind. his video goes on to let you meet his mother. she has a.l.s. she cannot speak. and anthony's point. the ice watter is all fun. but what it's for is hard. very hard, when it's in the family. >> a.l.s. runs in my family. my grandmother had it. she was a second mother to me. my mother was diagnosed when i was in high school. and i was diagnosed at 26 years old. it's so [ bleep ]. you have no idea. >> reporter: anthony's video is filled with some lang silences. they say so much. and as good as anthony looks right now, he's feeling it alrea

here's abc's john donvan. >> started as a joke. and it got out of hand.nd it's cost him everything. >> reporter: big sky country. land of open plains. but closed up inside this house, a family with a dark story. >> everything changed in a matter of a few hours. >> reporter: it begins on the outskirts of billings four years ago at this used car lot when an fbi agent stops by to deliver to owner dana campbell an unthinkable message. >> he asked to speak to me in private. he said, i hate to be the one to inform you of this but we've been notified that there has been a contract put out on your life. >> a contract out for your life? it just sounds -- it sounds insane. >> reporter: not as insane as what comes next. the fbi agent says he has a pretty good idea of who took out the hit. it was her own son matthew. >> they have enough evidence that they are safe in saying that it was my brother who had done that. he had contacted an undercover fbi agent and was making plans to have him kill my mom. >> reporter: the big question, why? nicky says she thought their fa

here's abc's john donvan. >> reporter: there used to be a putdown you heard a lot more in the old daysand, um, well -- >> first strikeout of the game. >> reporter: she throws pretty good. pitches clocked at 70 miles an hour. major league pitchers throw upwards of 90 miles per hour. and helping her team the philadelphia tannee dragons into the little league world series where she's become the first girl to throw a shutout in world series history. >> it's over. a complete game for mo'ne davis. >> reporter: allowing just two hits and striking out eight boys. she hits, too. a run-scoring single in her most recent game. >> he's going to score. mo'ne to second. >> reporter: which is not all about her, of course. she is the first to say that. >> i don't really like all the attention because this year like everything's about me and they don't see the whole picture of my teammates. and without my teammates i don't think we'd be here right now. >> reporter: attention? how about the cover of "sports illustrated" this week? the first little leaguer ever, boy or girl. yeah, that counts as some atte

here's abc's john donvan. >> reporter: two ways dave belisle told his little league team to think aboutthis week -- one was about how to win. saturday, when they were down by two, going into the bottom of the last inning in an elimination game of the little league world sere reese and belisle gave his boys this talk, in bits and pieces. >> we're putting three on the board. we are not going to go down without fighting. we're winning this game. >> reporter: and here's what his players, the rhode island americans, average age 12, gave their coach. an explosion. and the win. >> this ball to left-center -- it's by the outfielder! and rhode island is going to win it! >> reporter: and then on monday, against another team, strike three. they lost this time. out of the series. and when belisle noticed some of the boys crying, then he found something to say about how to lose. >> look, i got to see your eyes, guys. >> reporter: it's with your head up. >> there's no disappointment, okay? and your effort? okay? in the whole tournament, in the whole season? it's been an incredible journey. >> reporte

we're up all "nightline" with abc's john donvan. >> reporter: okay you have seen celebrities do it. >athletes. >> whoa. >> and a president. >> oh. >> even puppets are doing it. and you know why? social networking. one wet head challenges another. >> i challenge. >> i nominate. >> i nominate. >> i challenge you. >> results, whole chains of wet head. why, really? well everyone knows it is for als, the rare disease, three letters that never had this much visibility before. but anthony carbohol when he took the challenge had a different kind of visibility in mind. because his video goes on to let you meet his mother who has als. so she cannot speak or do much for herself. he does it for her. and anthony's point, the ice water is all fun, but what it is for is hard, very hard, when it is in the family. >> als runs in my family. my grandmother had it. second mother to me. my mother was diagnosed when i was in high school. and five month as go i was diagnosed at 26 years old. als is so, so [ bleep ] scary. you have no idea. >> reporter: anthony's video is filled with long silences. they say

we are up all "nightline" with abc's john donvan. [ cheers and applause ] >> reporter: there used town you heard a lot more in the old days -- "throws like a girl." well mo'ne davis is a girl. and, um -- well -- >> first strikeout of the game. >> reporter: she throws pretty good. pitches clock at 75 miles per hour. major league pitchers throw upward of 90 miles an hour. and helping her team, the philadelphia dragons into the little league world series where she is the first girl to throw a shutout in world series history. >> it's over. >> reporter: allowing two hits and striking out eight boys. she hits too. a run scoring single in her most recent game. >> she is going to score. mo'ne to second. it is not all about her, she is the first to say that. >> -- it seems like everything is about me. and not the whole picture of my team mates. without my team mates. i don't think we would be here right now. >> reporter: attention, the cover of "sports illustrated" this week. the first little leaguer ever, boy or girl. that counts as some attention the she says she saw her twitter account jum

. >> abc's john donvan tells us what makes mo'ne such a special young lady. [ cheers and applause ] >-down you heard a lot more in the old days -- "throws like a girl." well, mo'ne davis is a girl. and, um, well -- >> and she picks up her first strikeout ofhe game. >> reporter: she throws pretty good. pitches clocked at5 miles per hour. jor league ps throw upwards of 90 miles per hour. and helping her team, the philadelphia dragons, into the little league world series where she's become the first girl to throw a shutout in world sers story. it's over.ne >> reporter: allowing two hits and striking out eight boys. she hits too. a run scoring single in her most recent game. he's going to score. mo'nto second. >> rter: which is not all about her, of coursehe is e t to say that. >> ion't really like all the attention because it just feels like everything is about me and they don't see the whole picture of my teammates and without my teammates i don't think we would be here right now. >> reporter: attention, how about the cover of "sports illustrated" this week. the first little leaguer eve

and we're "up all nightline" with abc's john donvan. >> reporter: there used to be a putdown you heardll -- >> and she picks up her first strikeout of the game. >> reporter: she throws pretty good. pitches clocked at 75 miles per hour. major league pitchers throw upwards of 90 miles an hour. and helping her team, the philadelphia taney dragons into the little league world series, where she's become the first girl to throw a shutout in little league world series history. >> it's over. >> reporter: allowing two hits and striking out eight boys. she hits, too. a run-scoring single in her most recent game. >> she's going to score. mo'ne to second. >> reporter: it's not all about her, of course. she's the first to say that. >> i don't like all the attention because it seems like everything is about me and they don't see the whole picture of my teammates. without my teammates i don't think we'd be here right now. >> reporter: attention? how about the cover of "sports illustrated" this week. the first little leaguer ever, boy or girl. that counts as some attention and she says that she saw he