. >> reporter: christine prestie, mom of 13-year-old and 11-year-old michael was so anxious to know what her kids do on their phones, she secretly installed spyware to watch them. she can see anything. >> it's legal to monitor your kids, but a controversy lurks. do teens deserve privacy or secretly monitoring for safety's sake more important? >> at 11 and 13, we should know what's going on in your life. >> what's the problem with letting your parents see your phones when they ask? >> i just want privacy. >> reporter: last summer, christine says isabella secretly became more secretive. >> reporter: so christine downloads spy software on both kids' phones. were you torn? >> nope. >> you were not? >> not one bit. my kids, i needed to protect them. >> reporter: experts say secret monitoring may hurt your children and your relationship with them in the long run. julie haims is the author of "how to raise an adult." >> 24/7 surveillance of your kids, everywhere about every decision, every moment is effectively saying, i do not trust you in the slite them you trust them when you spy on them? >>

christine presti: 12:46:42 you can't hide from me. christine presti, mom of 13 old michael, was so anxious to know what her kids were doing on their phones, she secretly installed spyware to watch them. she can see anything -- it's legal to monitor your kids but a controversy lurks ? do teens deserve privacy? or is secretly monitoring for safety sake more important? 12:22:31 at 11 and 13 we should know what's going on in your life. t.j. holmes: 13:22:26;13 what's the problem with letting your parents (laugh) see your phone when they ask? isabella: 13:22:31;04 well, i just isabella suddenly became more secretive 12:20:38 christine: i immediately think that something is going on so christine downloads spy software on both kids phones they are my kids and i need to protect them. experts say secret montoring may hurt your children and your relationship with them in the long run. julie lythcott-haims is the author of "how to raise an adult" julie lythcott-haims / how to raise an adult author 01:21:19;07 // a 24- 7 surveillance of your kid'

christine presti says... her daughter became more secretive. christine downloaded spy software..... on her daughter's phone. using the app.... christine discovers... her daughter is texting someone but... when christine calls the number.... she gets a surprise.. it's an adult!!! christine: 122706 she thought she was talking to a friend. and it turned out it wasn't. christine was able.... to block the number.. but experts say.... secretly montoring your child... may hurt your relationship with them.... in the long run. they say... it's improtant to keep the conversation open.. so... they feel comfortable coming to you.... about things... as they get older. there's still time.... to jump on jetblue's -48- hour flash sale. some fares are below..... 1- hundred-dollars round trip.... the tickets are good for..... monday through thursday and saturday travel..... between december first and march ninth. there are several blackout dates.... with-in the window.... it does not include.... free checked baggage. the two-day sale ends.... at 11- 59.... wednesday night. some the nations major airl

christine presti: 12:46:42 you can't hide from me. year old isabella and 11 year old michael, was so anxious to know what her kids were doing on their phones, she secretly installed spyware to watch them. she can see anything -- it's legal to monitor your kids but a controversy lurks ? do teens deserve privacy? or is secretly monitoring for safety sake more important? 12:22:31 at 11 and 13 we should know what's going on in your life. t.j. holmes: 13:22:26;13 what's the problem with letting your parents (laugh) see your phone when they ask? isabella: 13:22:31;04 well, i just like some privacy. isabella suddenly became more secretive 12:20:38 christine: i immediately think that something is going on so christine downloads spy software on both kids phones they are my kids and i need to protect them. experts say secret montoring may hurt your children and your relationship with them in the long run. julie lythcott-haims is the author of "how to raise an adult" julie lythcott-haims / how to raise an adult author 01:21:19;07 // a 24- 7 surv

. >> reporter: christine presti, mom of ibella and michael was so anxious to know what they are kids were ing than air phones she secretly installed spyware to watch them and can see anything. it's legal to monitor your kids but a controversy lurk do teens deserve privacy? or is secretly monitoring for safety sake more important? >> at 11 and 13, we should know what's >> what's the problem with letting you see your phone. >> i like some privacy. >> reporter: last summer christine says isabella suddenly became more secretive. >> i immediately think that something is going on. >> reporter: so she downloads spy software on both kids' phone sflsz were you torn? >> nope. >> you were not. >> not one bit. they are my kids an i needed to protect them. >> reporter: experts say secret monitoring may hurt your children and your relationship of "how to raise an adult." >> every moment is effectively saying, i do not trust you in the slightest. >> how do you tell them you trust them when you spy on them? >> wo i hope they just know that i do trust them and that i'm doing this just to protect them

. >> reporter: christine prestie, mom of 13-year-old and 11-year-old michael was so anxious to know what her kids do on their phones, she secretly installed spyware to watch them. she can see anything. >> it's legal to monitor your kids, but a controversy lurks. do teens deserve privacy or secretly monitoring for safety's sake more important? >> at 11 and 13, we should know what's going on in your life. >> what's the problem with letting your parents see your phones when they ask? >> i just want privacy. >> reporter: last summer, christine says isabella secretly became more secretive. >> i immediately think something's going on. >> reporter: so christine downloads spy software on both kids' phones. were you torn? >> nope. >> you were not? >> not one bit. my kids, i needed to protect them. >> reporter: experts say secret monitoring may hurt your children and your relationship with them in the long run. julie haims is the author of "how to raise an adult." >> 24/7 surveillance of your kids, everywhere about every decision, every moment is effectively saying, i do not trust you in the sligh