. >> reporter: he says john kuhn told him he could do the job in four to six months. the family's lawsuit claims, after they paid kuhn $303,000, he walked off the job. >> shocking. it's totally shocking. >> reporter: the lawsuit also claims kuhn overbilled them for services by subcontractors and caused damage to their property. >> within ten seconds, the entire basement was filled up with mud and water. >> reporter: the "troubleshooters" went to john kuhn for answers. >> mr. slackta changed the entire plan and didn't believe he had to pay for it. >> reporter: he paid you $300,000. what did you do for that? >> what did i do? >> reporter: what work did do you? >> there was a lot of work done. >> reporter: kuhn says, if anything, the shlackta's owe him money. >> reporter: how much money do you think he owes you and for what? >> he probably owes me $100,000. >> reporter: for what? >> for work i did that i didn't get paid for. >> reporter: like what? >> all the extras. >> reporter: like what? >> there's a litigation going on here, so i'm not going into details. >> reporter

task -- missile test broadcast on state television and carried out under the watchful eye of kim john kuhn just weeks ago. -- kim jong-un just weeks ago. ththe south korean defense ministry says pyongyang has done it again. >> north korea tried to launch a missile and we believe it failed. south korea is not the only nation on high alert. the country's media say the missile in question was medium-range, which would allow it to target japan. they say they have all of its military prepared to shoot down projectiles just in case. >> the government has great interest in developments regarding missile related at duties. we are constantly as and analyzing information. we have not detected any incoming missiles and it has not affected our national security. reporter: the tests and attempted launches have resulted in severe sanctions being imposed on the country. but, so far, that has proven an ineffective deterrent. sarah: authorities in thailand have removed 40 tigers from a buddhist temple that is also a popular tourist site. another 90 seven are set to be removed this week after animal-rights

the troubleshooters went to john kuhn for answers. >>> mr. slack changed the entire plan and didn't believe he had to pay for it. >> reporter: he paid you $300,000 what did you do for that? >>> what i do? >> reporter: what work did you do? >>> there was a lot of work done. kuhn said if anything, the family owes him money. >>> how much money does he owe you and to for what. >> reporter: he owes me $100,000. >>> for what. >> reporter: all the extras. >>> like what. >> reporter: there's a litigation going on, i'm not going into detail. >> reporter: later kuhn tells me he will show me documents and e-mails and text messages to approve his side of the story. >>> i will invite you back and show you everything i have. i gave my attorney 1500 pages of documentation on this case. but thn kuhn told us -- then kuhn and his attorney told us they do not want to try this in the media. this pending lawsuit was in the violation of the pennsylvania home improvement consumer protection act and unfair trade practices, we put more on those laws and what you can